traffic manager rpc bind error

[makaveli]

With microk8s executing Setup ego vehicle in the notebook for the first time throws rpc bind error which is not seen for any more ego vehicle setups thereafter.

RuntimeError                              Traceback (most recent call last)
<ipython-input-9-ee9d92d341a2> in <module>
     14 # Manager. It will roam around the city endlessly.
     15 batch = [carla.command.SpawnActor(blueprints_vehicle, ego_transform).then(carla.command.SetAutopilot(carla.command.FutureActor, True))]
---> 16 results = client.apply_batch_sync(batch, True)
     17 if not results[0].error:
     18     print("Success")

RuntimeError: trying to create rpc server for traffic manager; but the system failed to create because of bind error.

Related issue:
carla-simulator/ros-bridge#312