Fix linter issues and builds on macOS and Windows again

client/internal/routemanager/server_nonandroid.go

@@ -164,6 +164,9 @@ func (m *defaultServerRouter) cleanUp() {
 			routingAddress = m.wgInterface.Address6().Masked().String()
 		}
 		routerPair, err := routeToRouterPair(routingAddress, r)
+		if err != nil {
+			log.Errorf("parse prefix: %v", err)
+		}
 
 		err = m.firewall.RemoveRoutingRules(routerPair)
 		if err != nil {

client/internal/routemanager/systemops_linux.go

@@ -270,6 +270,9 @@ func addRoute(prefix netip.Prefix, addr netip.Addr, intf *net.Interface, tableID
 // addUnreachableRoute adds an unreachable route for the specified IP family and routing table.
 // ipFamily should be netlink.FAMILY_V4 for IPv4 or netlink.FAMILY_V6 for IPv6.
 // tableID specifies the routing table to which the unreachable route will be added.
+// TODO should this be kept in for future use? If so, the linter needs to be told that this unreachable function should
+//
+//	be kept
 func addUnreachableRoute(prefix netip.Prefix, tableID int) error {
 	_, ipNet, err := net.ParseCIDR(prefix.String())
 	if err != nil {
@@ -290,6 +293,9 @@ func addUnreachableRoute(prefix netip.Prefix, tableID int) error {
 	return nil
 }
 
+// TODO should this be kept in for future use? If so, the linter needs to be told that this unreachable function should
+//
+//	be kept
 func removeUnreachableRoute(prefix netip.Prefix, tableID int) error {
 	_, ipNet, err := net.ParseCIDR(prefix.String())
 	if err != nil {

client/internal/routemanager/systemops_nonlinux.go

@@ -10,7 +10,7 @@ import (
 	log "github.com/sirupsen/logrus"
 )
 
-func enableIPForwarding() error {
+func enableIPForwarding(includeV6 bool) error {
 	log.Infof("Enable IP forwarding is not implemented on %s", runtime.GOOS)
 	return nil
 }