error1

  File "/usr/lib/python2.7/dist-packages/wsmeext/pecan.py", line 84, in callfunction
    result = f(self, *args, **kwargs)

  File "<string>", line 2, in post

  File "/usr/lib/python2.7/dist-packages/magnum/api/validation.py", line 86, in wrapper
    return func(*args, **kwargs)

  File "/usr/lib/python2.7/dist-packages/magnum/api/controllers/v1/container.py", line 406, in post
    res_container = pecan.request.rpcapi.container_create(new_container)

  File "/usr/lib/python2.7/dist-packages/magnum/conductor/api.py", line 106, in container_create
    return self._call('container_create', container=container)

  File "/usr/lib/python2.7/dist-packages/magnum/common/rpc_service.py", line 110, in _call
    return self._client.call(self._context, method, *args, **kwargs)

  File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/client.py", line 428, in call
    return self.prepare().call(ctxt, method, **kwargs)

  File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/client.py", line 169, in call
    retry=self.retry)

  File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/transport.py", line 97, in _send
    timeout=timeout, retry=retry)

  File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py", line 464, in send
    retry=retry)

  File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py", line 455, in _send
    raise result

ContainerException_Remote: Docker internal Error: 404 Client Error: Not Found ("No such image: ubuntu:latest")
Traceback (most recent call last):

  File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/server.py", line 133, in _process_incoming
    res = self.dispatcher.dispatch(message)

  File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 150, in dispatch
    return self._do_dispatch(endpoint, method, ctxt, args)

  File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 121, in _do_dispatch
    result = func(ctxt, **new_args)

  File "/usr/lib/python2.7/dist-packages/magnum/conductor/handlers/docker_conductor.py", line 44, in wrapped
    "Docker internal Error: %s" % str(e))

ContainerException: Docker internal Error: 404 Client Error: Not Found ("No such image: ubuntu:latest")