NotImplementedError: The conversion of cloud with nio_nat:ETHOPT is not supported

[julien-duponchelle]

https://sentry.io/gns3/gns3-server/issues/195316536/

ConnectionRefusedError: [Errno 111] Connect call failed ('127.0.0.1', 3080)
(3 additional frame(s) were not displayed)
...
  File "asyncio/selector_events.py", line 421, in sock_connect
    return (yield from fut)
  File "asyncio/futures.py", line 379, in __iter__
    yield self  # This tells Task to wait for completion.
  File "asyncio/tasks.py", line 297, in _wakeup
    future.result()
  File "asyncio/futures.py", line 292, in result
    raise self._exception
  File "asyncio/selector_events.py", line 451, in _sock_connect_cb
    raise OSError(err, 'Connect call failed %s' % (address,))

NotImplementedError: The conversion of cloud with nio_nat:ETHOPT is not supported
(11 additional frame(s) were not displayed)
...
  File "gns3server/controller/__init__.py", line 160, in load_projects
    yield from self.load_project(os.path.join(project_dir, file), load=False)
  File "gns3server/controller/__init__.py", line 373, in load_project
    topo_data = load_topology(path)
  File "gns3server/controller/topology.py", line 121, in load_topology
    topo = _convert_1_3_later(topo, path)
  File "gns3server/controller/topology.py", line 296, in _convert_1_3_later
    _create_cloud(node, old_node, ":/symbols/cloud.svg")
  File "gns3server/controller/topology.py", line 489, in _create_cloud
    raise NotImplementedError("The conversion of cloud with {} is not supported".format(old_port["name"]))

NotImplementedError: The conversion of cloud with nio_nat:ETHOPT is not supported

[julien-duponchelle]

We receive one time the event in 22 days. I suggest we remove the interface from the cloud and cut the link. It's the most simple solution for allowing user to fix the topology.

Converting to NAT node is not easy because the cloud need to be split if we have multiple interface in the cloud.