docker_container __virtual__ returned False [Ubuntu]

[noelmcloughlin]

          ID: run-etcd-dockerized-service
    Function: docker_container.running
        Name: osdsdb
      Result: False
     Comment: State 'docker_container.running' was not found in SLS 'etcd.docker.running'
              Reason: 'docker_container' __virtual__ returned False: 'docker.version' is not available.
     Changes:


vagrant@ubuntu1804:~$ salt-call --versions
Salt Version:
           Salt: 2019.2.0
 
Dependency Versions:
           cffi: Not Installed
       cherrypy: 8.9.1
       dateutil: 2.6.1
      docker-py: 2.5.1
          gitdb: 2.0.3
      gitpython: 2.1.8
          ioflo: Not Installed
         Jinja2: 2.10
        libgit2: Not Installed
        libnacl: Not Installed
       M2Crypto: Not Installed
           Mako: Not Installed
   msgpack-pure: Not Installed
 msgpack-python: 0.5.6
   mysql-python: Not Installed
      pycparser: Not Installed
       pycrypto: 2.6.1
   pycryptodome: Not Installed
         pygit2: Not Installed
         Python: 3.6.7 (default, Oct 22 2018, 11:32:17)
   python-gnupg: 0.4.1
         PyYAML: 3.12
          PyZMQ: 16.0.2
           RAET: Not Installed
          smmap: 2.0.3
        timelib: Not Installed
        Tornado: 4.5.3
            ZMQ: 4.2.5
 
System Versions:
           dist: Ubuntu 18.04 bionic
         locale: ISO-8859-1
        machine: x86_64
        release: 4.15.0-45-generic
         system: Linux
        version: Ubuntu 18.04 bionic