Merge pull request #1609 from smashwilson/default-net-bridge

[docker] Prevent unnecessary reloads due to the net parameter

cloud/docker/docker.py

@@ -1110,8 +1110,8 @@ class DockerManager(object):
 
             # NETWORK MODE
 
-            expected_netmode = self.module.params.get('net') or ''
+            expected_netmode = self.module.params.get('net') or 'bridge'
-            actual_netmode = container['HostConfig']['NetworkMode']
+            actual_netmode = container['HostConfig']['NetworkMode'] or 'bridge'
             if actual_netmode != expected_netmode:
                 self.reload_reasons.append('net ({0} => {1})'.format(actual_netmode, expected_netmode))
                 differing.append(container)