Fix #3410 (#3411)

A port with the same name as the bridge is implicitly created for every
bridge, but it doesn't show in in `ovs-vsctl list-ports BRIDGE`.

lib/ansible/modules/extras/network/openvswitch_port.py

@@ -159,7 +159,7 @@ class OVSPort(object):
         if rtc != 0:
             self.module.fail_json(msg=err)
 
-        return any(port.rstrip() == self.port for port in out.split('\n'))
+        return any(port.rstrip() == self.port for port in out.split('\n')) or self.port == self.bridge
 
     def set(self, set_opt):
         """ Set attributes on a port. """