diff --git a/.cirrus.yml b/.cirrus.yml
index 1ec4c34e..0285a8c8 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -61,6 +61,7 @@ test_task:
 
     script:
         - ${SCRIPT_BASE}/enable_ssh.sh
+        - ${SCRIPT_BASE}/build_podman.sh
         - ${SCRIPT_BASE}/enable_podman.sh
         - ${SCRIPT_BASE}/test.sh
 
diff --git a/.pylintrc b/.pylintrc
index a901c2fa..e10c94f3 100644
--- a/.pylintrc
+++ b/.pylintrc
@@ -11,7 +11,9 @@ ignore=CVS,docs
 
 # Add files or directories matching the regex patterns to the blacklist. The
 # regex matches against base names, not paths.
-ignore-patterns=test_.*
+# ignore-patterns=test_.*
+
+ignore-paths=^podman/tests/.*$
 
 # Python code to execute, usually for sys.path manipulation such as
 # pygtk.require().
diff --git a/Makefile b/Makefile
index 8ce24578..cebbd395 100644
--- a/Makefile
+++ b/Makefile
@@ -8,25 +8,23 @@ DESTDIR ?=
 EPOCH_TEST_COMMIT ?= $(shell git merge-base $${DEST_BRANCH:-main} HEAD)
 HEAD ?= HEAD
 
-export PODMAN_VERSION ?= "3.2.0"
+export PODMAN_VERSION ?= "4.0.0"
 
 .PHONY: podman
 podman:
 	rm dist/* || :
-	python -m pip install --user -r requirements.txt
+	$(PYTHON) -m pip install --user -r requirements.txt
 	PODMAN_VERSION=$(PODMAN_VERSION) \
 	$(PYTHON) setup.py sdist bdist bdist_wheel
 
 .PHONY: lint
-lint:
-	$(PYTHON) -m pylint podman || exit $$(($$? % 4));
+lint: tox
+	$(PYTHON) -m tox -e black,pylint
 
 .PHONY: tests
-tests:
-	python -m pip install --user -r test-requirements.txt
-	DEBUG=1 coverage run -m unittest discover -s podman/tests
-	coverage report -m --skip-covered --fail-under=80 --omit=./podman/tests/* --omit=.tox/* \
-	--omit=/usr/lib/* --omit=*/lib/python*
+tests: tox
+	# see tox.ini for environment variable settings
+	$(PYTHON) -m tox -e pylint,coverage,py36,py38,py39,py310
 
 .PHONY: unittest
 unittest:
@@ -38,6 +36,12 @@ integration:
 	coverage run -m unittest discover -s podman/tests/integration
 	coverage report -m --skip-covered --fail-under=80 --omit=./podman/tests/* --omit=.tox/* --omit=/usr/lib/*
 
+.PHONY: tox
+tox:
+	-dnf install -y python3 python3.6 python3.8 python3.9
+	# ensure tox is available. It will take care of other testing requirements
+	$(PYTHON) -m pip install --user tox
+
 .PHONY: test-release
 test-release: SOURCE = $(shell find dist -regex '.*/podman-[0-9][0-9\.]*.tar.gz' -print)
 test-release:
diff --git a/contrib/cirrus/build_podman.sh b/contrib/cirrus/build_podman.sh
index e2120c90..9a217b0b 100755
--- a/contrib/cirrus/build_podman.sh
+++ b/contrib/cirrus/build_podman.sh
@@ -2,13 +2,9 @@
 
 set -xeo pipefail
 
-mkdir -p "$GOPATH/src/github.com/containers/"
-cd "$GOPATH/src/github.com/containers/"
+systemctl stop podman.socket || :
 
-systemctl stop podman.socket ||:
 dnf erase podman -y
-git clone https://github.com/containers/podman.git
+dnf copr enable rhcontainerbot/podman-next -y
+dnf install podman -y
 
-cd podman
-make binaries
-make install PREFIX=/usr
diff --git a/contrib/cirrus/test.sh b/contrib/cirrus/test.sh
index 63d63fc2..fe4de52b 100755
--- a/contrib/cirrus/test.sh
+++ b/contrib/cirrus/test.sh
@@ -2,6 +2,4 @@
 
 set -eo pipefail
 
-
-
 make tests
diff --git a/podman/api/tar_utils.py b/podman/api/tar_utils.py
index 0ad9cbbe..df16b26f 100644
--- a/podman/api/tar_utils.py
+++ b/podman/api/tar_utils.py
@@ -84,7 +84,7 @@ def add_filter(info: tarfile.TarInfo) -> Optional[tarfile.TarInfo]:
             return None
 
         # Workaround https://bugs.python.org/issue32713. Fixed in Python 3.7
-        if info.mtime < 0 or info.mtime > 8 ** 11 - 1:
+        if info.mtime < 0 or info.mtime > 8**11 - 1:
             info.mtime = int(info.mtime)
 
         # do not leak client information to service
@@ -97,9 +97,8 @@ def add_filter(info: tarfile.TarInfo) -> Optional[tarfile.TarInfo]:
         return info
 
     if name is None:
-        name = tempfile.NamedTemporaryFile(
-            prefix="podman_context", suffix=".tar"
-        )  # pylint: disable=consider-using-with
+        # pylint: disable=consider-using-with
+        name = tempfile.NamedTemporaryFile(prefix="podman_context", suffix=".tar")
     else:
         name = pathlib.Path(name)
 
diff --git a/podman/api/typing_extensions.py b/podman/api/typing_extensions.py
index ac00e1a7..291497de 100644
--- a/podman/api/typing_extensions.py
+++ b/podman/api/typing_extensions.py
@@ -884,7 +884,6 @@ def __new__(cls, *args, **kwds):
                 return collections.deque(*args, **kwds)
             return _generic_new(collections.deque, cls, *args, **kwds)
 
-
 else:
 
     class Deque(
@@ -912,7 +911,6 @@ class ContextManager(
     ):
         __slots__ = ()
 
-
 else:
 
     class ContextManager(typing.Generic[T_co]):
@@ -994,7 +992,6 @@ def __new__(cls, *args, **kwds):
                 return collections.defaultdict(*args, **kwds)
             return _generic_new(collections.defaultdict, cls, *args, **kwds)
 
-
 else:
 
     class DefaultDict(
@@ -1032,7 +1029,6 @@ def __new__(cls, *args, **kwds):
                 return collections.OrderedDict(*args, **kwds)
             return _generic_new(collections.OrderedDict, cls, *args, **kwds)
 
-
 else:
 
     class OrderedDict(
@@ -1073,7 +1069,6 @@ def __new__(cls, *args, **kwds):
                 return collections.Counter(*args, **kwds)
             return _generic_new(collections.Counter, cls, *args, **kwds)
 
-
 elif _geqv_defined:
 
     class Counter(
@@ -1090,7 +1085,6 @@ def __new__(cls, *args, **kwds):
                 return collections.Counter(*args, **kwds)
             return _generic_new(collections.Counter, cls, *args, **kwds)
 
-
 else:
 
     class Counter(
@@ -1353,9 +1347,7 @@ def __new__(
                     bases = tuple(b for b in bases if b is not Generic)
                 namespace.update({'__origin__': origin, '__extra__': extra})
                 self = super(GenericMeta, cls).__new__(cls, name, bases, namespace, _root=True)
-                super(GenericMeta, self).__setattr__(
-                    '_gorg', self if not origin else _gorg(origin)
-                )
+                super(GenericMeta, self).__setattr__('_gorg', self if not origin else _gorg(origin))
                 self.__parameters__ = tvars
                 self.__args__ = (
                     tuple(
@@ -1479,9 +1471,7 @@ def __getitem__(self, params):
                 if not isinstance(params, tuple):
                     params = (params,)
                 if not params and _gorg(self) is not Tuple:
-                    raise TypeError(
-                        "Parameter list to %s[...] cannot be empty" % self.__qualname__
-                    )
+                    raise TypeError("Parameter list to %s[...] cannot be empty" % self.__qualname__)
                 msg = "Parameters to generic types must be types."
                 params = tuple(_type_check(p, msg) for p in params)
                 if self in (Generic, Protocol):
@@ -2108,7 +2098,6 @@ def get_type_hints(obj, globalns=None, localns=None, include_extras=False):
             return hint
         return {k: _strip_annotations(t) for k, t in hint.items()}
 
-
 elif HAVE_ANNOTATED:
 
     def _is_dunder(name):
@@ -2344,7 +2333,6 @@ def TypeAlias(self, parameters):
         """
         raise TypeError("{} is not subscriptable".format(self))
 
-
 elif sys.version_info[:2] >= (3, 7):
 
     class _TypeAliasForm(typing._SpecialForm, _root=True):
@@ -2672,7 +2660,6 @@ def Concatenate(self, parameters):
         """
         return _concatenate_getitem(self, parameters)
 
-
 elif sys.version_info[:2] >= (3, 7):
 
     class _ConcatenateForm(typing._SpecialForm, _root=True):
@@ -2821,7 +2808,6 @@ def is_str(val: Union[str, float]):
         item = typing._type_check(parameters, '{} accepts only single type.'.format(self))
         return _GenericAlias(self, (item,))
 
-
 elif sys.version_info[:2] >= (3, 7):
 
     class _TypeGuardForm(typing._SpecialForm, _root=True):
diff --git a/podman/domain/containers_create.py b/podman/domain/containers_create.py
index 5dd09b6e..c24b3cdf 100644
--- a/podman/domain/containers_create.py
+++ b/podman/domain/containers_create.py
@@ -310,8 +310,7 @@ def to_bytes(size: Union[int, str, None]) -> Union[int, None]:
                     if search:
                         return int(search.group(1)) * (1024 ** mapping[search.group(2)])
                     raise TypeError(
-                        f"Passed string size {size} should be in format\\d+[bBkKmMgG] (e.g."
-                        " '100m')"
+                        f"Passed string size {size} should be in format\\d+[bBkKmMgG] (e.g. '100m')"
                     ) from bad_size
             else:
                 raise TypeError(
@@ -415,9 +414,7 @@ def to_bytes(size: Union[int, str, None]) -> Union[int, None]:
             if "Config" in args["log_config"]:
                 params["log_configuration"]["path"] = args["log_config"]["Config"].get("path")
                 params["log_configuration"]["size"] = args["log_config"]["Config"].get("size")
-                params["log_configuration"]["options"] = args["log_config"]["Config"].get(
-                    "options"
-                )
+                params["log_configuration"]["options"] = args["log_config"]["Config"].get("options")
             args.pop("log_config")
 
         for item in args.pop("mounts", []):
diff --git a/podman/domain/containers_manager.py b/podman/domain/containers_manager.py
index 62b890f1..4d256c1a 100644
--- a/podman/domain/containers_manager.py
+++ b/podman/domain/containers_manager.py
@@ -25,10 +25,7 @@ def exists(self, key: str) -> bool:
         response = self.client.get(f"/containers/{key}/exists")
         return response.ok
 
-    # pylint is flagging 'container_id' here vs. 'key' parameter in super.get()
-    def get(
-        self, container_id: str
-    ) -> Container:  # pylint: disable=arguments-differ,arguments-renamed
+    def get(self, key: str) -> Container:
         """Get container by name or id.
 
         Args:
@@ -38,7 +35,7 @@ def get(
             NotFound: when Container does not exist
             APIError: when an error return by service
         """
-        container_id = urllib.parse.quote_plus(container_id)
+        container_id = urllib.parse.quote_plus(key)
         response = self.client.get(f"/containers/{container_id}/json")
         response.raise_for_status()
         return self.prepare_model(attrs=response.json())
diff --git a/podman/domain/images_manager.py b/podman/domain/images_manager.py
index 93a1bc69..944039f5 100644
--- a/podman/domain/images_manager.py
+++ b/podman/domain/images_manager.py
@@ -27,6 +27,7 @@ def resource(self):
         return Image
 
     def exists(self, key: str) -> bool:
+        """Return true when image exists."""
         key = urllib.parse.quote_plus(key)
         response = self.client.get(f"/images/{key}/exists")
         return response.ok
diff --git a/podman/domain/manifests.py b/podman/domain/manifests.py
index 0dfbff48..bff805ff 100644
--- a/podman/domain/manifests.py
+++ b/podman/domain/manifests.py
@@ -2,7 +2,7 @@
 import logging
 import urllib.parse
 from contextlib import suppress
-from typing import List, Optional, Union
+from typing import Any, Dict, List, Optional, Union
 
 from podman import api
 from podman.domain.images import Image
@@ -17,20 +17,18 @@ class Manifest(PodmanResource):
 
     @property
     def id(self):
-        """str: Returns the identifier of the manifest."""
+        """str: Returns the identifier of the manifest list."""
         with suppress(KeyError, TypeError, IndexError):
-            return self.attrs["manifests"][0]["digest"]
+            digest = self.attrs["manifests"][0]["digest"]
+            if digest.startswith("sha256:"):
+                return digest[7:]
+            return digest
         return self.name
 
     @property
     def name(self):
-        """str: Returns the identifier of the manifest."""
-        try:
-            if len(self.names[0]) == 0:
-                raise ValueError("Manifest attribute 'names' is empty.")
-            return self.names[0]
-        except (TypeError, IndexError) as e:
-            raise ValueError("Manifest attribute 'names' is missing.") from e
+        """str: Returns the human-formatted identifier of the manifest list."""
+        return self.attrs.get("names")
 
     @property
     def quoted_name(self):
@@ -40,7 +38,7 @@ def quoted_name(self):
     @property
     def names(self):
         """List[str]: Returns the identifier of the manifest."""
-        return self.attrs.get("names")
+        return self.name
 
     @property
     def media_type(self):
@@ -71,7 +69,7 @@ def add(self, images: List[Union[Image, str]], **kwargs) -> None:
             ImageNotFound: when Image(s) could not be found
             APIError: when service reports an error
         """
-        params = {
+        data = {
             "all": kwargs.get("all"),
             "annotation": kwargs.get("annotation"),
             "arch": kwargs.get("arch"),
@@ -80,14 +78,15 @@ def add(self, images: List[Union[Image, str]], **kwargs) -> None:
             "os": kwargs.get("os"),
             "os_version": kwargs.get("os_version"),
             "variant": kwargs.get("variant"),
+            "operation": "update",
         }
         for item in images:
             if isinstance(item, Image):
                 item = item.attrs["RepoTags"][0]
-            params["images"].append(item)
+            data["images"].append(item)
 
-        data = api.prepare_body(params)
-        response = self.client.post(f"/manifests/{self.quoted_name}/add", data=data)
+        data = api.prepare_body(data)
+        response = self.client.put(f"/manifests/{self.quoted_name}", data=data)
         response.raise_for_status(not_found=ImageNotFound)
         return self.reload()
 
@@ -127,7 +126,10 @@ def remove(self, digest: str) -> None:
         if "@" in digest:
             digest = digest.split("@", maxsplit=2)[1]
 
-        response = self.client.delete(f"/manifests/{self.quoted_name}", params={"digest": digest})
+        data = {"operation": "remove", "images": [digest]}
+        data = api.prepare_body(data)
+
+        response = self.client.put(f"/manifests/{self.quoted_name}", data=data)
         response.raise_for_status(not_found=ImageNotFound)
         return self.reload()
 
@@ -147,14 +149,14 @@ def resource(self):
 
     def create(
         self,
-        names: List[str],
+        name: str,
         images: Optional[List[Union[Image, str]]] = None,
         all: Optional[bool] = None,  # pylint: disable=redefined-builtin
     ) -> Manifest:
         """Create a Manifest.
 
         Args:
-            names: Identifiers to be added to the manifest. There must be at least one.
+            name: Name of manifest list.
             images: Images or Image identifiers to be included in the manifest.
             all: When True, add all contents from images given.
 
@@ -162,26 +164,24 @@ def create(
             ValueError: when no names are provided
             NotFoundImage: when a given image does not exist
         """
-        if names is None or len(names) == 0:
-            raise ValueError("At least one manifest name is required.")
-
-        params = {"name": names}
+        params: Dict[str, Any] = {}
         if images is not None:
-            params["image"] = []
+            params["images"] = []
             for item in images:
                 if isinstance(item, Image):
                     item = item.attrs["RepoTags"][0]
-                params["image"].append(item)
+                params["images"].append(item)
 
         if all is not None:
             params["all"] = all
 
-        response = self.client.post("/manifests/create", params=params)
+        name_quoted = urllib.parse.quote_plus(name)
+        response = self.client.post(f"/manifests/{name_quoted}", params=params)
         response.raise_for_status(not_found=ImageNotFound)
 
         body = response.json()
         manifest = self.get(body["Id"])
-        manifest.attrs["names"] = names
+        manifest.attrs["names"] = name
 
         if manifest.attrs["manifests"] is None:
             manifest.attrs["manifests"] = []
@@ -198,9 +198,6 @@ def get(self, key: str) -> Manifest:
         To have Manifest conform with other PodmanResource's, we use the key that
         retrieved the Manifest be its name.
 
-        See https://issues.redhat.com/browse/RUN-1217 for details on refactoring Podman service
-        manifests API.
-
         Args:
             key: Manifest name for which to search
 
@@ -213,10 +210,23 @@ def get(self, key: str) -> Manifest:
         response.raise_for_status()
 
         body = response.json()
-        body["names"] = [key]
+        if "names" not in body:
+            body["names"] = key
         return self.prepare_model(attrs=body)
 
     def list(self, **kwargs) -> List[Manifest]:
         """Not Implemented."""
 
         raise NotImplementedError("Podman service currently does not support listing manifests.")
+
+    def remove(self, name: Union[Manifest, str]) -> Dict[str, Any]:
+        """Delete the manifest list from the Podman service."""
+        if isinstance(name, Manifest):
+            name = name.name
+
+        response = self.client.delete(f"/manifests/{name}")
+        response.raise_for_status(not_found=ImageNotFound)
+
+        body = response.json()
+        body["ExitCode"] = response.status_code
+        return body
diff --git a/podman/domain/networks.py b/podman/domain/networks.py
index c772ff26..d97b23f1 100644
--- a/podman/domain/networks.py
+++ b/podman/domain/networks.py
@@ -1,8 +1,10 @@
-"""Model and Manager for Network resources.
+"""Model for Network resources.
 
-By default, most methods in this module uses the Podman compatible API rather than the
-libpod API as the results are so different.  To use the libpod API add the keyword argument
-compatible=False to any method call.
+Example:
+
+    with PodmanClient(base_url="unix:///run/user/1000/podman/podman.sock") as client:
+        net = client.networks.get("db_network")
+            print(net.name, "\n")
 """
 import hashlib
 import json
@@ -42,11 +44,12 @@ def containers(self):
         with suppress(KeyError):
             container_manager = ContainersManager(client=self.client)
             return [container_manager.get(ident) for ident in self.attrs["Containers"].keys()]
-        return {}
+        return []
 
     @property
     def name(self):
         """str: Returns the name of the network."""
+
         if "Name" in self.attrs:
             return self.attrs["Name"]
 
@@ -68,7 +71,6 @@ def connect(self, container: Union[str, Container], *_, **kwargs) -> None:
 
         Keyword Args:
             aliases (List[str]): Aliases to add for this endpoint
-            compatible (bool): Should compatible API be used. Default: True
             driver_opt (Dict[str, Any]): Options to provide to network driver
             ipv4_address (str): IPv4 address for given Container on this network
             ipv6_address (str): IPv6 address for given Container on this network
@@ -78,8 +80,6 @@ def connect(self, container: Union[str, Container], *_, **kwargs) -> None:
         Raises:
             APIError: when Podman service reports an error
         """
-        compatible = kwargs.get("compatible", True)
-
         if isinstance(container, Container):
             container = container.id
 
@@ -110,7 +110,6 @@ def connect(self, container: Union[str, Container], *_, **kwargs) -> None:
             f"/networks/{self.name}/connect",
             data=json.dumps(data),
             headers={"Content-type": "application/json"},
-            compatible=compatible,
         )
         response.raise_for_status()
 
@@ -126,15 +125,11 @@ def disconnect(self, container: Union[str, Container], **kwargs) -> None:
         Raises:
             APIError: when Podman service reports an error
         """
-        compatible = kwargs.get("compatible", True)
-
         if isinstance(container, Container):
             container = container.id
 
         data = {"Container": container, "Force": kwargs.get("force")}
-        response = self.client.post(
-            f"/networks/{self.name}/disconnect", data=json.dumps(data), compatible=compatible
-        )
+        response = self.client.post(f"/networks/{self.name}/disconnect", data=json.dumps(data))
         response.raise_for_status()
 
     def remove(self, force: Optional[bool] = None, **kwargs) -> None:
@@ -143,9 +138,6 @@ def remove(self, force: Optional[bool] = None, **kwargs) -> None:
         Args:
             force: Remove network and any associated containers
 
-        Keyword Args:
-            compatible (bool): Should compatible API be used. Default: True
-
         Raises:
             APIError: when Podman service reports an error
         """
diff --git a/podman/domain/networks_manager.py b/podman/domain/networks_manager.py
index 073d0cc9..02e3d71e 100644
--- a/podman/domain/networks_manager.py
+++ b/podman/domain/networks_manager.py
@@ -1,16 +1,21 @@
-"""PodmanResource manager subclassed for Networks.
+"""PodmanResource manager subclassed for Network resources.
 
-By default, most methods in this module uses the Podman compatible API rather than the
-libpod API as the results are so different.  To use the libpod API add the keyword argument
-compatible=False to any method call.
+Classes and methods for manipulating network resources via Podman API service.
+
+Example:
+
+    with PodmanClient(base_url="unix:///run/user/1000/podman/podman.sock") as client:
+        for net in client.networks.list():
+            print(net.id, "\n")
 """
 import ipaddress
 import logging
+import sys
 from contextlib import suppress
 from typing import Any, Dict, List, Optional
 
-import podman.api.http_utils
 from podman import api
+from podman.api import http_utils
 from podman.domain.manager import Manager
 from podman.domain.networks import Network
 from podman.errors import APIError
@@ -27,7 +32,7 @@ def resource(self):
         return Network
 
     def create(self, name: str, **kwargs) -> Network:
-        """Create a Network.
+        """Create a Network resource.
 
         Args:
             name: Name of network to be created
@@ -35,14 +40,13 @@ def create(self, name: str, **kwargs) -> Network:
         Keyword Args:
             attachable (bool): Ignored, always False.
             check_duplicate (bool): Ignored, always False.
-            disabled_dns (bool): When True, do not provision DNS for this network.
+            dns_enabled (bool): When True, do not provision DNS for this network.
             driver (str): Which network driver to use when creating network.
             enable_ipv6 (bool): Enable IPv6 on the network.
             ingress (bool): Ignored, always False.
             internal (bool): Restrict external access to the network.
             ipam (IPAMConfig): Optional custom IP scheme for the network.
             labels (Dict[str, str]):  Map of labels to set on the network.
-            macvlan (str):
             options (Dict[str, Any]): Driver options.
             scope (str): Ignored, always "local".
 
@@ -50,85 +54,66 @@ def create(self, name: str, **kwargs) -> Network:
             APIError: when Podman service reports an error
         """
         data = {
-            "DisabledDNS": kwargs.get("disabled_dns"),
-            "Driver": kwargs.get("driver"),
-            "Internal": kwargs.get("internal"),
-            "IPv6": kwargs.get("enable_ipv6"),
-            "Labels": kwargs.get("labels"),
-            "MacVLAN": kwargs.get("macvlan"),
-            "Options": kwargs.get("options"),
+            "name": name,
+            "driver": kwargs.get("driver"),
+            "dns_enabled": kwargs.get("dns_enabled"),
+            "subnets": kwargs.get("subnets"),
+            "ipv6_enabled": kwargs.get("enable_ipv6"),
+            "internal": kwargs.get("internal"),
+            "labels": kwargs.get("labels"),
+            "options": kwargs.get("options"),
         }
 
         with suppress(KeyError):
-            ipam = kwargs["ipam"]
-            if len(ipam["Config"]) > 0:
-
-                if len(ipam["Config"]) > 1:
-                    raise ValueError("Podman service only supports one IPAM config.")
-
-                ip_config = ipam["Config"][0]
-                data["Gateway"] = ip_config.get("Gateway")
-
-                if "IPRange" in ip_config:
-                    iprange = ipaddress.ip_network(ip_config["IPRange"])
-                    iprange, mask = api.prepare_cidr(iprange)
-                    data["Range"] = {
-                        "IP": iprange,
-                        "Mask": mask,
-                    }
-
-                if "Subnet" in ip_config:
-                    subnet = ipaddress.ip_network(ip_config["Subnet"])
-                    subnet, mask = api.prepare_cidr(subnet)
-                    data["Subnet"] = {
-                        "IP": subnet,
-                        "Mask": mask,
-                    }
+            self._prepare_ipam(data, kwargs["ipam"])
 
         response = self.client.post(
             "/networks/create",
-            params={"name": name},
-            data=podman.api.http_utils.prepare_body(data),
+            data=http_utils.prepare_body(data),
             headers={"Content-Type": "application/json"},
         )
         response.raise_for_status()
+        sys.stderr.write(str(response.json()))
+        return self.prepare_model(attrs=response.json())
+
+    def _prepare_ipam(self, data: Dict[str, Any], ipam: Dict[str, Any]):
+        if "Config" not in ipam:
+            return
 
-        return self.get(name, **kwargs)
+        data["subnets"] = []
+        for cfg in ipam["Config"]:
+            subnet = {
+                "gateway": cfg.get("Gateway"),
+                "subnet": cfg.get("Subnet"),
+            }
+
+            with suppress(KeyError):
+                net = ipaddress.ip_network(cfg["IPRange"])
+                subnet["lease_range"] = {
+                    "start_ip": str(net[1]),
+                    "end_ip": str(net[-2]),
+                }
+
+            data["subnets"].append(subnet)
 
     def exists(self, key: str) -> bool:
         response = self.client.get(f"/networks/{key}/exists")
         return response.ok
 
-    # pylint is flagging 'network_id' here vs. 'key' parameter in super.get()
-    def get(self, network_id: str, *_, **kwargs) -> Network:  # pylint: disable=arguments-differ
+    def get(self, key: str) -> Network:
         """Return information for the network_id.
 
         Args:
-            network_id: Network name or id.
-
-        Keyword Args:
-            compatible (bool): Should compatible API be used. Default: True
+            key: Network name or id.
 
         Raises:
             NotFound: when Network does not exist
             APIError: when error returned by service
-
-        Note:
-            The compatible API is used, this allows the server to provide dynamic fields.
-                id is the most important example.
         """
-        compatible = kwargs.get("compatible", True)
-
-        path = f"/networks/{network_id}" + ("" if compatible else "/json")
-
-        response = self.client.get(path, compatible=compatible)
+        response = self.client.get(f"/networks/{key}")
         response.raise_for_status()
 
-        body = response.json()
-        if not compatible:
-            body = body[0]
-
-        return self.prepare_model(attrs=body)
+        return self.prepare_model(attrs=response.json())
 
     def list(self, **kwargs) -> List[Network]:
         """Report on networks.
@@ -162,23 +147,19 @@ def list(self, **kwargs) -> List[Network]:
         Raises:
             APIError: when error returned by service
         """
-        compatible = kwargs.get("compatible", True)
-
         filters = kwargs.get("filters", {})
         filters["name"] = kwargs.get("names")
         filters["id"] = kwargs.get("ids")
         filters = api.prepare_filters(filters)
 
         params = {"filters": filters}
-        path = f"/networks{'' if compatible else '/json'}"
-
-        response = self.client.get(path, params=params, compatible=compatible)
+        response = self.client.get("/networks/json", params=params)
         response.raise_for_status()
 
         return [self.prepare_model(i) for i in response.json()]
 
     def prune(
-        self, filters: Optional[Dict[str, Any]] = None, **kwargs
+        self, filters: Optional[Dict[str, Any]] = None
     ) -> Dict[api.Literal["NetworksDeleted", "SpaceReclaimed"], Any]:
         """Delete unused Networks.
 
@@ -187,25 +168,14 @@ def prune(
         Args:
             filters: Criteria for selecting volumes to delete. Ignored.
 
-        Keyword Args:
-            compatible (bool): Should compatible API be used. Default: True
-
         Raises:
             APIError: when service reports error
         """
-        compatible = kwargs.get("compatible", True)
-
-        response = self.client.post(
-            "/networks/prune", filters=api.prepare_filters(filters), compatible=compatible
-        )
+        response = self.client.post("/networks/prune", filters=api.prepare_filters(filters))
         response.raise_for_status()
 
-        body = response.json()
-        if compatible:
-            return body
-
         deleted: List[str] = []
-        for item in body:
+        for item in response.json():
             if item["Error"] is not None:
                 raise APIError(
                     item["Error"],
@@ -216,27 +186,18 @@ def prune(
 
         return {"NetworksDeleted": deleted, "SpaceReclaimed": 0}
 
-    def remove(self, name: [Network, str], force: Optional[bool] = None, **kwargs) -> None:
-        """Remove this network.
+    def remove(self, name: [Network, str], force: Optional[bool] = None) -> None:
+        """Remove Network resource.
 
         Args:
             name: Identifier of Network to delete.
             force: Remove network and any associated containers
 
-        Keyword Args:
-            compatible (bool): Should compatible API be used. Default: True
-
         Raises:
             APIError: when Podman service reports an error
-
-        Notes:
-            Podman only.
         """
         if isinstance(name, Network):
             name = name.name
 
-        compatible = kwargs.get("compatible", True)
-        response = self.client.delete(
-            f"/networks/{name}", params={"force": force}, compatible=compatible
-        )
+        response = self.client.delete(f"/networks/{name}", params={"force": force})
         response.raise_for_status()
diff --git a/podman/domain/pods.py b/podman/domain/pods.py
index 0cd3ded5..f2a72ec8 100644
--- a/podman/domain/pods.py
+++ b/podman/domain/pods.py
@@ -1,6 +1,6 @@
 """Model and Manager for Pod resources."""
 import logging
-from typing import Any, Dict, Tuple, Union, Optional
+from typing import Any, Dict, Optional, Tuple, Union
 
 from podman.domain.manager import PodmanResource
 
@@ -104,6 +104,8 @@ def top(self, **kwargs) -> Dict[str, Any]:
         response = self.client.get(f"/pods/{self.id}/top", params=params)
         response.raise_for_status()
 
+        if len(response.text) == 0:
+            return {"Processes": [], "Titles": []}
         return response.json()
 
     def unpause(self) -> None:
diff --git a/podman/domain/pods_manager.py b/podman/domain/pods_manager.py
index 0051f496..d591984f 100644
--- a/podman/domain/pods_manager.py
+++ b/podman/domain/pods_manager.py
@@ -94,9 +94,7 @@ def prune(self, filters: Optional[Dict[str, str]] = None) -> Dict[str, Any]:
         Raises:
             APIError: when service reports error
         """
-        response = self.client.post(
-            "/pods/prune", params={"filters": api.prepare_filters(filters)}
-        )
+        response = self.client.post("/pods/prune", params={"filters": api.prepare_filters(filters)})
         response.raise_for_status()
 
         deleted: List[str] = []
diff --git a/podman/tests/__init__.py b/podman/tests/__init__.py
index d48e5284..fbbbb2a1 100644
--- a/podman/tests/__init__.py
+++ b/podman/tests/__init__.py
@@ -3,5 +3,5 @@
 # Do not auto-update these from version.py,
 #   as test code should be changed to reflect changes in Podman API versions
 BASE_SOCK = "unix:///run/api.sock"
-LIBPOD_URL = "http://%2Frun%2Fapi.sock/v3.2.1/libpod"
+LIBPOD_URL = "http://%2Frun%2Fapi.sock/v4.0.0/libpod"
 COMPATIBLE_URL = "http://%2Frun%2Fapi.sock/v1.40"
diff --git a/podman/tests/integration/base.py b/podman/tests/integration/base.py
index 4f34d722..d79711d9 100644
--- a/podman/tests/integration/base.py
+++ b/podman/tests/integration/base.py
@@ -37,24 +37,22 @@ class IntegrationTest(fixtures.TestWithFixtures):
 
     @classmethod
     def setUpClass(cls) -> None:
+        super(fixtures.TestWithFixtures, cls).setUpClass()
+
         command = os.environ.get("PODMAN_BINARY", "podman")
         if shutil.which(command) is None:
             raise AssertionError(f"'{command}' not found.")
         IntegrationTest.podman = command
 
-        # For testing, lock in logging configuration
-        if "DEBUG" in os.environ:
-            logging.basicConfig(level=logging.DEBUG)
-        else:
-            logging.basicConfig(level=logging.INFO)
+        # This log_level is for our python code
+        log_level = os.environ.get("PODMAN_LOG_LEVEL", "INFO")
+        log_level = logging.getLevelName(log_level)
+        logging.basicConfig(level=log_level)
 
     def setUp(self):
         super().setUp()
 
-        # This is the log_level to pass to podman service
-        self.log_level = logging.WARNING
-        if "DEBUG" in os.environ:
-            self.log_level = logging.DEBUG
+        self.log_level = os.environ.get("PODMAN_LOG_LEVEL", "INFO")
 
         self.test_dir = self.useFixture(fixtures.TempDir()).path
         self.socket_file = os.path.join(self.test_dir, uuid.uuid4().hex)
diff --git a/podman/tests/integration/test_container_create.py b/podman/tests/integration/test_container_create.py
index cc938a47..a3f4fc79 100644
--- a/podman/tests/integration/test_container_create.py
+++ b/podman/tests/integration/test_container_create.py
@@ -67,10 +67,6 @@ def _test_memory_limit(self, parameter_name, host_config_name):
                 test['expected_value'],
             )
 
-    def test_container_kernel_memory(self):
-        """Test passing kernel memory"""
-        self._test_memory_limit('kernel_memory', 'KernelMemory')
-
     def test_container_mem_limit(self):
         """Test passing memory limit"""
         self._test_memory_limit('mem_limit', 'Memory')
diff --git a/podman/tests/integration/test_containers.py b/podman/tests/integration/test_containers.py
index 3a5ba822..d46d050a 100644
--- a/podman/tests/integration/test_containers.py
+++ b/podman/tests/integration/test_containers.py
@@ -105,9 +105,7 @@ def test_container_crud(self):
             self.assertIsInstance(logs_iter, Iterator)
 
             logs = list(logs_iter)
-            self.assertIn(random_string.encode("utf-8"), logs)
-            # podman 4.0 API support...
-            # self.assertIn((random_string + "\n").encode("utf-8"), logs)
+            self.assertIn((random_string + "\n").encode("utf-8"), logs)
 
         with self.subTest("Delete Container"):
             container.remove()
diff --git a/podman/tests/integration/test_manifests.py b/podman/tests/integration/test_manifests.py
index 8dd6d5cc..9bead625 100644
--- a/podman/tests/integration/test_manifests.py
+++ b/podman/tests/integration/test_manifests.py
@@ -25,23 +25,25 @@ def tearDown(self) -> None:
 
         self.client.images.remove(self.alpine_image, force=True)
         with suppress(ImageNotFound):
-            self.client.images.remove("quay.io/unittest/alpine:latest", force=True)
+            self.client.images.remove("localhost/unittest/alpine", force=True)
 
     def test_manifest_crud(self):
         """Test Manifest CRUD."""
 
         self.assertFalse(
-            self.client.manifests.exists("quay.io/unittest/alpine:latest"),
+            self.client.manifests.exists("localhost/unittest/alpine"),
             "Image store is corrupt from previous run",
         )
 
         with self.subTest("Create"):
-            manifest = self.client.manifests.create(["quay.io/unittest/alpine:latest"])
-            self.assertEqual(len(manifest.attrs["manifests"]), 0)
-            self.assertTrue(self.client.manifests.exists(manifest.id))
+            manifest = self.client.manifests.create(
+                "localhost/unittest/alpine", ["quay.io/libpod/alpine:latest"]
+            )
+            self.assertEqual(len(manifest.attrs["manifests"]), 1, manifest.attrs)
+            self.assertTrue(self.client.manifests.exists(manifest.names), manifest.id)
 
             with self.assertRaises(APIError):
-                self.client.manifests.create(["123456!@#$%^"])
+                self.client.manifests.create("123456!@#$%^")
 
         with self.subTest("Add"):
             manifest.add([self.alpine_image])
@@ -54,12 +56,14 @@ def test_manifest_crud(self):
             )
 
         with self.subTest("Inspect"):
-            actual = self.client.manifests.get("quay.io/unittest/alpine:latest")
+            actual = self.client.manifests.get("quay.io/libpod/alpine:latest")
             self.assertEqual(actual.id, manifest.id)
 
             actual = self.client.manifests.get(manifest.name)
             self.assertEqual(actual.id, manifest.id)
 
+            self.assertEqual(actual.version, 2)
+
         with self.subTest("Remove digest"):
             manifest.remove(self.alpine_image.attrs["RepoDigests"][0])
             self.assertEqual(len(manifest.attrs["manifests"]), 0)
@@ -67,7 +71,7 @@ def test_manifest_crud(self):
     def test_create_409(self):
         """Test that invalid Image names are caught and not corrupt storage."""
         with self.assertRaises(APIError):
-            self.client.manifests.create([self.invalid_manifest_name])
+            self.client.manifests.create(self.invalid_manifest_name)
 
 
 if __name__ == '__main__':
diff --git a/podman/tests/integration/test_networks.py b/podman/tests/integration/test_networks.py
index 981626d6..0b5d44d1 100644
--- a/podman/tests/integration/test_networks.py
+++ b/podman/tests/integration/test_networks.py
@@ -27,26 +27,29 @@
 class NetworksIntegrationTest(base.IntegrationTest):
     """networks call integration test"""
 
-    pool = IPAMPool(subnet="172.16.0.0/16", iprange="172.16.0.0/24", gateway="172.16.0.1")
+    pool = IPAMPool(subnet="10.11.13.0/24", iprange="10.11.13.0/26", gateway="10.11.13.1")
 
     ipam = IPAMConfig(pool_configs=[pool])
 
     def setUp(self):
         super().setUp()
+
         self.client = PodmanClient(base_url=self.socket_uri)
         self.addCleanup(self.client.close)
 
+    def tearDown(self):
         with suppress(NotFound):
             self.client.networks.get("integration_test").remove(force=True)
 
+        super().tearDown()
+
     def test_network_crud(self):
         """integration: networks create and remove calls"""
 
         with self.subTest("Create Network"):
             network = self.client.networks.create(
                 "integration_test",
-                disabled_dns=True,
-                enable_ipv6=False,
+                dns_enabled=False,
                 ipam=NetworksIntegrationTest.ipam,
             )
             self.assertEqual(network.name, "integration_test")
@@ -68,7 +71,7 @@ def test_network_crud(self):
             with self.assertRaises(NotFound):
                 self.client.networks.get("integration_test")
 
-    @unittest.skipIf(os.geteuid() != 0, 'Skipping, not running as root')
+    @unittest.skip("Skipping, libpod endpoint does not report container count")
     def test_network_connect(self):
         self.alpine_image = self.client.images.pull("quay.io/libpod/alpine", tag="latest")
 
diff --git a/podman/tests/integration/test_pods.py b/podman/tests/integration/test_pods.py
index f9a6a274..396a42e3 100644
--- a/podman/tests/integration/test_pods.py
+++ b/podman/tests/integration/test_pods.py
@@ -18,13 +18,13 @@ def setUp(self):
         self.alpine_image = self.client.images.pull("quay.io/libpod/alpine", tag="latest")
         self.pod_name = f"pod_{random.getrandbits(160):x}"
 
-        # TODO should this use podman binary instead?
         for container in self.client.containers.list():
             container.remove(force=True)
 
     def tearDown(self):
         if self.client.pods.exists(self.pod_name):
             self.client.pods.remove(self.pod_name)
+        super().tearDown()
 
     def test_pod_crud(self):
         """Test Pod CRUD."""
@@ -62,6 +62,9 @@ def test_pod_crud(self):
             with self.assertRaises(NotFound):
                 pod.reload()
 
+    def test_pod_crud_infra(self):
+        """Test Pod CRUD with infra container."""
+
         with self.subTest("Create with infra"):
             pod = self.client.pods.create(
                 self.pod_name,
@@ -75,22 +78,7 @@ def test_pod_crud(self):
             actual = self.client.pods.get(pod.id)
             self.assertEqual(actual.name, pod.name)
             self.assertIn("Containers", actual.attrs)
-
-        with self.subTest("Stop/Start"):
-            actual.stop()
-            actual.start()
-
-        with self.subTest("Restart"):
-            actual.restart()
-
-        with self.subTest("Pause/Unpause"):
-            actual.pause()
-            actual.reload()
-            self.assertEqual(actual.attrs["State"], "Paused")
-
-            actual.unpause()
-            actual.reload()
-            self.assertEqual(actual.attrs["State"], "Running")
+            self.assertEqual(actual.attrs["State"], "Created")
 
         with self.subTest("Add container"):
             container = self.client.containers.create(self.alpine_image, command=["ls"], pod=actual)
@@ -99,12 +87,6 @@ def test_pod_crud(self):
             ids = {c["Id"] for c in actual.attrs["Containers"]}
             self.assertIn(container.id, ids)
 
-        with self.subTest("Ps"):
-            procs = actual.top()
-
-            self.assertGreater(len(procs["Processes"]), 0)
-            self.assertGreater(len(procs["Titles"]), 0)
-
         with self.subTest("List"):
             pods = self.client.pods.list()
             self.assertGreaterEqual(len(pods), 1)
@@ -112,15 +94,64 @@ def test_pod_crud(self):
             ids = {p.id for p in pods}
             self.assertIn(actual.id, ids)
 
-        with self.subTest("Stats"):
-            report = self.client.pods.stats(all=True)
-            self.assertGreaterEqual(len(report), 1)
-
         with self.subTest("Delete"):
             pod.remove(force=True)
             with self.assertRaises(NotFound):
                 pod.reload()
 
+    def test_ps(self):
+        pod = self.client.pods.create(
+            self.pod_name,
+            labels={
+                "unittest": "true",
+            },
+            no_infra=True,
+        )
+        self.assertTrue(self.client.pods.exists(pod.id))
+        self.client.containers.create(
+            self.alpine_image, command=["top"], detach=True, tty=True, pod=pod
+        )
+        pod.start()
+        pod.reload()
+
+        with self.subTest("top"):
+            # this is the API top call not the
+            # top command running in the container
+            procs = pod.top()
+
+            self.assertGreater(len(procs["Processes"]), 0)
+            self.assertGreater(len(procs["Titles"]), 0)
+
+        with self.subTest("stats"):
+            report = self.client.pods.stats(all=True)
+            self.assertGreaterEqual(len(report), 1)
+
+        with self.subTest("Stop/Start"):
+            pod.stop()
+            pod.reload()
+            self.assertIn(pod.attrs["State"], ("Stopped", "Exited"))
+
+            pod.start()
+            pod.reload()
+            self.assertEqual(pod.attrs["State"], "Running")
+
+        with self.subTest("Restart"):
+            pod.stop()
+            pod.restart()
+            pod.reload()
+            self.assertEqual(pod.attrs["State"], "Running")
+
+        with self.subTest("Pause/Unpause"):
+            pod.pause()
+            pod.reload()
+            self.assertEqual(pod.attrs["State"], "Paused")
+
+            pod.unpause()
+            pod.reload()
+            self.assertEqual(pod.attrs["State"], "Running")
+
+        pod.stop()
+
 
 if __name__ == '__main__':
     unittest.main()
diff --git a/podman/tests/integration/utils.py b/podman/tests/integration/utils.py
index 792b7df9..78aea63a 100644
--- a/podman/tests/integration/utils.py
+++ b/podman/tests/integration/utils.py
@@ -18,6 +18,7 @@
 import shutil
 import subprocess
 import threading
+from contextlib import suppress
 from typing import List, Optional
 
 import time
@@ -36,7 +37,7 @@ def __init__(
         podman_path: Optional[str] = None,
         timeout: int = 0,
         privileged: bool = False,
-        log_level: int = logging.WARNING,
+        log_level: str = "WARNING",
     ) -> None:
         """create a launcher and build podman command"""
         podman_exe: str = podman_path
@@ -57,7 +58,10 @@ def __init__(
 
         self.cmd.append(podman_exe)
 
-        self.cmd.append(f"--log-level={logging.getLevelName(log_level).lower()}")
+        logger.setLevel(logging.getLevelName(log_level))
+
+        # Map from python to go logging levels, FYI trace level breaks cirrus logging
+        self.cmd.append(f"--log-level={log_level.lower()}")
 
         if os.environ.get("container") == "oci":
             self.cmd.append("--storage-driver=vfs")
@@ -121,4 +125,7 @@ def stop(self) -> None:
             return_code = self.proc.wait()
         self.proc = None
 
+        with suppress(FileNotFoundError):
+            os.remove(self.socket_file)
+
         logger.info("Command return Code: %d refid=%s", return_code, self.reference_id)
diff --git a/podman/tests/unit/test_config.py b/podman/tests/unit/test_config.py
index c7e011ad..7ecb475a 100644
--- a/podman/tests/unit/test_config.py
+++ b/podman/tests/unit/test_config.py
@@ -47,9 +47,7 @@ def test_connections(self):
 
             expected = urllib.parse.urlparse("ssh://qe@localhost:2222/run/podman/podman.sock")
             self.assertEqual(config.active_service.url, expected)
-            self.assertEqual(
-                config.services["production"].identity, Path("/home/root/.ssh/id_rsa")
-            )
+            self.assertEqual(config.services["production"].identity, Path("/home/root/.ssh/id_rsa"))
 
             PodmanConfigTestCase.opener.assert_called_with(
                 Path("/home/developer/containers.conf"), encoding='utf-8'
diff --git a/podman/tests/unit/test_containersmanager.py b/podman/tests/unit/test_containersmanager.py
index e7157184..7187919f 100644
--- a/podman/tests/unit/test_containersmanager.py
+++ b/podman/tests/unit/test_containersmanager.py
@@ -242,9 +242,7 @@ def test_run_detached(self, mock):
             json=FIRST_CONTAINER,
         )
 
-        with patch.multiple(
-            Container, logs=DEFAULT, wait=DEFAULT, autospec=True
-        ) as mock_container:
+        with patch.multiple(Container, logs=DEFAULT, wait=DEFAULT, autospec=True) as mock_container:
             mock_container["logs"].return_value = []
             mock_container["wait"].return_value = {"StatusCode": 0}
 
@@ -277,9 +275,7 @@ def test_run(self, mock):
             b"This is a unittest - line 2",
         )
 
-        with patch.multiple(
-            Container, logs=DEFAULT, wait=DEFAULT, autospec=True
-        ) as mock_container:
+        with patch.multiple(Container, logs=DEFAULT, wait=DEFAULT, autospec=True) as mock_container:
             mock_container["wait"].return_value = {"StatusCode": 0}
 
             with self.subTest("Results not streamed"):
diff --git a/podman/tests/unit/test_manifests.py b/podman/tests/unit/test_manifests.py
index 98d5292b..f0f8cda6 100644
--- a/podman/tests/unit/test_manifests.py
+++ b/podman/tests/unit/test_manifests.py
@@ -1,7 +1,7 @@
 import unittest
 
 from podman import PodmanClient, tests
-from podman.domain.manifests import ManifestsManager, Manifest
+from podman.domain.manifests import Manifest, ManifestsManager
 
 
 class ManifestTestCase(unittest.TestCase):
@@ -9,11 +9,7 @@ def setUp(self) -> None:
         super().setUp()
 
         self.client = PodmanClient(base_url=tests.BASE_SOCK)
-
-    def tearDown(self) -> None:
-        super().tearDown()
-
-        self.client.close()
+        self.addCleanup(self.client.close)
 
     def test_podmanclient(self):
         manager = self.client.manifests
@@ -24,13 +20,8 @@ def test_list(self):
             self.client.manifests.list()
 
     def test_name(self):
-        with self.assertRaises(ValueError):
-            manifest = Manifest(attrs={"names": ""})
-            _ = manifest.name
-
-        with self.assertRaises(ValueError):
-            manifest = Manifest()
-            _ = manifest.name
+        manifest = Manifest()
+        self.assertIsNone(manifest.name)
 
 
 if __name__ == '__main__':
diff --git a/podman/tests/unit/test_network.py b/podman/tests/unit/test_network.py
index 012502de..b5dfb06b 100644
--- a/podman/tests/unit/test_network.py
+++ b/podman/tests/unit/test_network.py
@@ -28,29 +28,29 @@
     "Labels": {},
 }
 
-FIRST_NETWORK_LIBPOD = [
-    {
-        "cniVersion": "0.4.0",
-        "name": "podman",
-        "plugins": [
-            {
-                "bridge": "cni-podman0",
-                "hairpinMode": True,
-                "ipMasq": True,
-                "ipam": {
-                    "ranges": [[{"gateway": "10.88.0.1", "subnet": "10.88.0.0/16"}]],
-                    "routes": [{"dst": "0.0.0.0/0"}],
-                    "type": "host-local",
-                },
-                "isGateway": True,
-                "type": "bridge",
+FIRST_NETWORK_LIBPOD = {
+    "name": "podman",
+    "id": "2f259bab93aaaaa2542ba43ef33eb990d0999ee1b9924b557b7be53c0b7a1bb9",
+    "driver": "bridge",
+    "network_interface": "libpod_veth0",
+    "created": "2022-01-28T09:18:37.491308364-07:00",
+    "subnets": [
+        {
+            "subnet": "10.11.12.0/24",
+            "gateway": "10.11.12.1",
+            "lease_range": {
+                "start_ip": "10.11.12.1",
+                "end_ip": "10.11.12.63",
             },
-            {"capabilities": {"portMappings": True}, "type": "portmap"},
-            {"type": "firewall"},
-            {"type": "tuning"},
-        ],
-    }
-]
+        }
+    ],
+    "ipv6_enabled": False,
+    "internal": False,
+    "dns_enabled": False,
+    "labels": {},
+    "options": {},
+    "ipam_options": {},
+}
 
 
 class NetworkTestCase(unittest.TestCase):
@@ -58,11 +58,7 @@ def setUp(self) -> None:
         super().setUp()
 
         self.client = PodmanClient(base_url=tests.BASE_SOCK)
-
-    def tearDown(self) -> None:
-        super().tearDown()
-
-        self.client.close()
+        self.addCleanup(self.client.close)
 
     def test_id(self):
         expected = {"Id": "1cf06390-709d-4ffa-a054-c3083abe367c"}
@@ -84,7 +80,7 @@ def test_name(self):
     @requests_mock.Mocker()
     def test_remove(self, mock):
         adapter = mock.delete(
-            tests.COMPATIBLE_URL + "/networks/podman?force=True",
+            tests.LIBPOD_URL + "/networks/podman?force=True",
             status_code=204,
             json={"Name": "podman", "Err": None},
         )
@@ -96,7 +92,7 @@ def test_remove(self, mock):
 
     @requests_mock.Mocker()
     def test_connect(self, mock):
-        adapter = mock.post(tests.COMPATIBLE_URL + "/networks/podman/connect")
+        adapter = mock.post(tests.LIBPOD_URL + "/networks/podman/connect")
         net = Network(attrs=FIRST_NETWORK, client=self.client.api)
 
         net.connect(
@@ -120,7 +116,7 @@ def test_connect(self, mock):
 
     @requests_mock.Mocker()
     def test_disconnect(self, mock):
-        adapter = mock.post(tests.COMPATIBLE_URL + "/networks/podman/disconnect")
+        adapter = mock.post(tests.LIBPOD_URL + "/networks/podman/disconnect")
         net = Network(attrs=FIRST_NETWORK, client=self.client.api)
 
         net.disconnect("podman_ctnr", force=True)
diff --git a/podman/tests/unit/test_networksmanager.py b/podman/tests/unit/test_networksmanager.py
index 6032b25a..1219bb54 100644
--- a/podman/tests/unit/test_networksmanager.py
+++ b/podman/tests/unit/test_networksmanager.py
@@ -3,7 +3,6 @@
 import requests_mock
 
 from podman import PodmanClient, tests
-from podman.domain.ipam import IPAMConfig, IPAMPool
 from podman.domain.networks import Network
 from podman.domain.networks_manager import NetworksManager
 
@@ -51,53 +50,53 @@
     "Labels": {},
 }
 
-FIRST_NETWORK_LIBPOD = [
-    {
-        "cniVersion": "0.4.0",
-        "name": "podman",
-        "plugins": [
-            {
-                "bridge": "cni-podman0",
-                "hairpinMode": True,
-                "ipMasq": True,
-                "ipam": {
-                    "ranges": [[{"gateway": "10.88.0.1", "subnet": "10.88.0.0/16"}]],
-                    "routes": [{"dst": "0.0.0.0/0"}],
-                    "type": "host-local",
-                },
-                "isGateway": True,
-                "type": "bridge",
+FIRST_NETWORK_LIBPOD = {
+    "name": "podman",
+    "id": "2f259bab93aaaaa2542ba43ef33eb990d0999ee1b9924b557b7be53c0b7a1bb9",
+    "driver": "bridge",
+    "network_interface": "libpod_veth0",
+    "created": "2022-01-28T09:18:37.491308364-07:00",
+    "subnets": [
+        {
+            "subnet": "10.11.12.0/24",
+            "gateway": "10.11.12.1",
+            "lease_range": {
+                "start_ip": "10.11.12.1",
+                "end_ip": "10.11.12.63",
             },
-            {"capabilities": {"portMappings": True}, "type": "portmap"},
-            {"type": "firewall"},
-            {"type": "tuning"},
-        ],
-    }
-]
+        }
+    ],
+    "ipv6_enabled": False,
+    "internal": False,
+    "dns_enabled": False,
+    "labels": {},
+    "options": {},
+    "ipam_options": {},
+}
 
-SECOND_NETWORK_LIBPOD = [
-    {
-        "cniVersion": "0.4.0",
-        "name": "database",
-        "plugins": [
-            {
-                "bridge": "cni-podman0",
-                "hairpinMode": True,
-                "ipMasq": True,
-                "ipam": {
-                    "ranges": [[{"gateway": "10.88.0.1", "subnet": "10.88.0.0/16"}]],
-                    "routes": [{"dst": "0.0.0.0/0"}],
-                    "type": "host-local",
-                },
-                "isGateway": True,
-                "type": "bridge",
+SECOND_NETWORK_LIBPOD = {
+    "name": "database",
+    "id": "3549b0028b75d981cdda2e573e9cb49dedc200185876df299f912b79f69dabd8",
+    "created": "2021-03-01T09:18:37.491308364-07:00",
+    "driver": "bridge",
+    "network_interface": "libpod_veth1",
+    "subnets": [
+        {
+            "subnet": "10.11.12.0/24",
+            "gateway": "10.11.12.1",
+            "lease_range": {
+                "start_ip": "10.11.12.1",
+                "end_ip": "10.11.12.63",
             },
-            {"capabilities": {"portMappings": True}, "type": "portmap"},
-            {"type": "firewall"},
-            {"type": "tuning"},
-        ],
-    }
-]
+        }
+    ],
+    "ipv6_enabled": False,
+    "internal": False,
+    "dns_enabled": False,
+    "labels": {},
+    "options": {},
+    "ipam_options": {},
+}
 
 
 class NetworksManagerTestCase(unittest.TestCase):
@@ -112,11 +111,7 @@ def setUp(self) -> None:
         super().setUp()
 
         self.client = PodmanClient(base_url=tests.BASE_SOCK)
-
-    def tearDown(self) -> None:
-        super().tearDown()
-
-        self.client.close()
+        self.addCleanup(self.client.close)
 
     def test_podmanclient(self):
         manager = self.client.networks
@@ -124,10 +119,7 @@ def test_podmanclient(self):
 
     @requests_mock.Mocker()
     def test_get(self, mock):
-        mock.get(
-            tests.COMPATIBLE_URL + "/networks/podman",
-            json=FIRST_NETWORK,
-        )
+        mock.get(tests.LIBPOD_URL + "/networks/podman", json=FIRST_NETWORK)
 
         actual = self.client.networks.get("podman")
         self.assertIsInstance(actual, Network)
@@ -135,47 +127,14 @@ def test_get(self, mock):
             actual.id, "2f259bab93aaaaa2542ba43ef33eb990d0999ee1b9924b557b7be53c0b7a1bb9"
         )
 
-    @requests_mock.Mocker()
-    def test_get_libpod(self, mock):
-        mock.get(
-            tests.LIBPOD_URL + "/networks/podman/json",
-            json=FIRST_NETWORK_LIBPOD,
-        )
-
-        actual = self.client.networks.get("podman", compatible=False)
-        self.assertIsInstance(actual, Network)
-        self.assertEqual(actual.attrs["name"], "podman")
-
-    @requests_mock.Mocker()
-    def test_list(self, mock):
-        mock.get(
-            tests.COMPATIBLE_URL + "/networks",
-            json=[FIRST_NETWORK, SECOND_NETWORK],
-        )
-
-        actual = self.client.networks.list()
-        self.assertEqual(len(actual), 2)
-
-        self.assertIsInstance(actual[0], Network)
-        self.assertEqual(
-            actual[0].id, "2f259bab93aaaaa2542ba43ef33eb990d0999ee1b9924b557b7be53c0b7a1bb9"
-        )
-        self.assertEqual(actual[0].attrs["Name"], "podman")
-
-        self.assertIsInstance(actual[1], Network)
-        self.assertEqual(
-            actual[1].id, "3549b0028b75d981cdda2e573e9cb49dedc200185876df299f912b79f69dabd8"
-        )
-        self.assertEqual(actual[1].name, "database")
-
     @requests_mock.Mocker()
     def test_list_libpod(self, mock):
         mock.get(
             tests.LIBPOD_URL + "/networks/json",
-            json=FIRST_NETWORK_LIBPOD + SECOND_NETWORK_LIBPOD,
+            json=[FIRST_NETWORK_LIBPOD, SECOND_NETWORK_LIBPOD],
         )
 
-        actual = self.client.networks.list(compatible=False)
+        actual = self.client.networks.list()
         self.assertEqual(len(actual), 2)
 
         self.assertIsInstance(actual[0], Network)
@@ -191,68 +150,33 @@ def test_list_libpod(self, mock):
         self.assertEqual(actual[1].name, "database")
 
     @requests_mock.Mocker()
-    def test_create(self, mock):
-        adapter = mock.post(
-            tests.LIBPOD_URL + "/networks/create?name=podman",
-            json={
-                "Filename": "/home/developer/.config/cni/net.d/podman.conflist",
-            },
-        )
-        mock.get(
-            tests.COMPATIBLE_URL + "/networks/podman",
-            json=FIRST_NETWORK,
-        )
+    def test_create_libpod(self, mock):
+        adapter = mock.post(tests.LIBPOD_URL + "/networks/create", json=FIRST_NETWORK_LIBPOD)
 
-        pool = IPAMPool(subnet="172.16.0.0/12", iprange="172.16.0.0/16", gateway="172.31.255.254")
-        ipam = IPAMConfig(pool_configs=[pool])
-
-        network = self.client.networks.create(
-            "podman", disabled_dns=True, enable_ipv6=False, ipam=ipam
-        )
+        network = self.client.networks.create("podman", dns_enabled=True, enable_ipv6=True)
         self.assertIsInstance(network, Network)
 
         self.assertEqual(adapter.call_count, 1)
         self.assertDictEqual(
             adapter.last_request.json(),
             {
-                'DisabledDNS': True,
-                'Gateway': '172.31.255.254',
-                'IPv6': False,
-                'Range': {'IP': '172.16.0.0', 'Mask': "//8AAA=="},
-                'Subnet': {'IP': '172.16.0.0', 'Mask': "//AAAA=="},
+                "name": "podman",
+                "ipv6_enabled": True,
+                "dns_enabled": True,
             },
         )
 
-        self.assertEqual(network.name, "podman")
-
     @requests_mock.Mocker()
     def test_create_defaults(self, mock):
-        adapter = mock.post(
-            tests.LIBPOD_URL + "/networks/create?name=podman",
-            json={
-                "Filename": "/home/developer/.config/cni/net.d/podman.conflist",
-            },
-        )
-        mock.get(
-            tests.COMPATIBLE_URL + "/networks/podman",
-            json=FIRST_NETWORK,
-        )
+        adapter = mock.post(tests.LIBPOD_URL + "/networks/create", json=FIRST_NETWORK_LIBPOD)
 
         network = self.client.networks.create("podman")
         self.assertEqual(adapter.call_count, 1)
-        self.assertEqual(network.name, "podman")
-        self.assertEqual(len(adapter.last_request.json()), 0)
-
-    @requests_mock.Mocker()
-    def test_prune(self, mock):
-        mock.post(
-            tests.COMPATIBLE_URL + "/networks/prune",
-            json={"NetworksDeleted": ["podman", "database"]},
+        self.assertDictEqual(
+            adapter.last_request.json(),
+            {"name": "podman"},
         )
 
-        actual = self.client.networks.prune()
-        self.assertListEqual(actual["NetworksDeleted"], ["podman", "database"])
-
     @requests_mock.Mocker()
     def test_prune_libpod(self, mock):
         mock.post(
@@ -263,7 +187,7 @@ def test_prune_libpod(self, mock):
             ],
         )
 
-        actual = self.client.networks.prune(compatible=False)
+        actual = self.client.networks.prune()
         self.assertListEqual(actual["NetworksDeleted"], ["podman", "database"])
 
 
diff --git a/podman/tests/unit/test_volumesmanager.py b/podman/tests/unit/test_volumesmanager.py
index 25af0189..6650929b 100644
--- a/podman/tests/unit/test_volumesmanager.py
+++ b/podman/tests/unit/test_volumesmanager.py
@@ -38,11 +38,7 @@ def setUp(self) -> None:
         super().setUp()
 
         self.client = PodmanClient(base_url=tests.BASE_SOCK)
-
-    def tearDown(self) -> None:
-        super().tearDown()
-
-        self.client.close()
+        self.addCleanup(self.client.close)
 
     def test_podmanclient(self):
         manager = self.client.volumes
diff --git a/podman/version.py b/podman/version.py
index f4cbf9bf..1cc66575 100644
--- a/podman/version.py
+++ b/podman/version.py
@@ -1,4 +1,4 @@
 """Version of PodmanPy."""
 
-__version__ = "3.2.1"
+__version__ = "4.0.0"
 __compatible_version__ = "1.40"
diff --git a/pyproject.toml b/pyproject.toml
index a656fede..b0af397e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,12 +19,20 @@ exclude = '''
 profile = "black"
 line_length = 100
 [build-system]
+# Any changes should be copied into requirements.txt, setup.cfg, and/or test-requirements.txt
 requires = [
+    "pyxdg>=0.26",
     "requests>=2.24",
+    "setuptools>=46.4",
+    "sphinx",
     "toml>=0.10.2",
     "urllib3>=1.24.2",
-    "pyxdg>=0.26",
-    "setuptools>=46.4",
     "wheel",
 ]
 build-backend = "setuptools.build_meta"
+[tool.pytest.ini_options]
+log_cli = true
+log_cli_level = "DEBUG"
+log_cli_format = "%(asctime)s [%(levelname)8s] %(message)s (%(filename)s:%(lineno)s)"
+log_cli_date_format = "%Y-%m-%d %H:%M:%S"
+
diff --git a/requirements.txt b/requirements.txt
index 7d2af098..5713ef5d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,8 @@
+# Any changes should be copied into pyproject.toml
+pyxdg>=0.26
 requests>=2.24
+setuptools
+sphinx
 toml>=0.10.2
 urllib3>=1.24.2
-pyxdg>=0.26
-sphinx
 wheel
-setuptools
diff --git a/setup.cfg b/setup.cfg
index f2c3d1f5..d0cd807c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -31,11 +31,12 @@ keywords = podman, libpod
 include_package_data = True
 python_requires = >=3.6
 test_suite =
+# Any changes should be copied into pyproject.toml
 install_requires =
+    pyxdg>=0.26
     requests>=2.24
     toml>=0.10.2
     urllib3>=1.24.2
-    pyxdg>=0.26
 
 # typing_extensions are included for RHEL 8.5
 # typing_extensions;python_version<'3.8'
diff --git a/setup.py b/setup.py
index 86d48173..01e2dd7a 100644
--- a/setup.py
+++ b/setup.py
@@ -1,18 +1,10 @@
-import setuptools
-
 import fnmatch
+
+import setuptools
 from setuptools import find_packages
 from setuptools.command.build_py import build_py as build_py_orig
 
 excluded = [
-    "podman/api_connection.py",
-    "podman/containers/*",
-    "podman/images/*",
-    "podman/manifests/*",
-    "podman/networks/*",
-    "podman/pods/*",
-    "podman/system/*",
-    "podman/system/*",
     "podman/tests/*",
 ]
 
diff --git a/test-requirements.txt b/test-requirements.txt
index d5b54f4d..62d3e8e1 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,7 +1,9 @@
+# Any changes should be copied into pyproject.toml
 -r requirements.txt
 black
 coverage
 fixtures~=3.0.0
-pytest
 pylint
+pytest
 requests-mock
+tox
diff --git a/tox.ini b/tox.ini
index 007f01fd..8ade9859 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 minversion = 3.2.0
-envlist = py36,py38,py39,py310,pylint,coverage
+envlist = pylint,coverage,py36,py38,py39,py310
 ignore_basepython_conflict = true
 
 [testenv]
@@ -8,7 +8,11 @@ basepython = python3
 usedevelop = True
 install_command = pip install {opts} {packages}
 deps = -r{toxinidir}/test-requirements.txt
-commands = pytest
+commands = pytest {posargs}
+setenv =
+    PODMAN_LOG_LEVEL = {env:PODMAN_LOG_LEVEL:INFO}
+    PODMAN_BINARY = {env:PODMAN_BINARY:podman}
+    DEBUG = {env:DEBUG:0}
 
 [testenv:venv]
 commands = {posargs}