Comment 1 for bug 1646215

Faced similar error few days ago:
] ^[[01;35m^[[01;31mException during message handling^[[00m
^[[01;31m2016-11-29 08:44:25.542 TRACE oslo_messaging.rpc.server ^[[01;35m^[[00mTraceback (most recent call last):
^[[01;31m2016-11-29 08:44:25.542 TRACE oslo_messaging.rpc.server ^[[01;35m^[[00m File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/server.py", line 155, in _process_incoming
^[[01;31m2016-11-29 08:44:25.542 TRACE oslo_messaging.rpc.server ^[[01;35m^[[00m res = self.dispatcher.dispatch(message)
^[[01;31m2016-11-29 08:44:25.542 TRACE oslo_messaging.rpc.server ^[[01;35m^[[00m File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 225, in dispatch
^[[01;31m2016-11-29 08:44:25.542 TRACE oslo_messaging.rpc.server ^[[01;35m^[[00m return self._do_dispatch(endpoint, method, ctxt, args)
^[[01;31m2016-11-29 08:44:25.542 TRACE oslo_messaging.rpc.server ^[[01;35m^[[00m File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 195, in _do_dispatch
^[[01;31m2016-11-29 08:44:25.542 TRACE oslo_messaging.rpc.server ^[[01;35m^[[00m result = func(ctxt, **new_args)
^[[01;31m2016-11-29 08:44:25.542 TRACE oslo_messaging.rpc.server ^[[01;35m^[[00m File "/opt/stack/magnum/magnum/conductor/handlers/cluster_conductor.py", line 65, in cluster_create
^[[01;31m2016-11-29 08:44:25.542 TRACE oslo_messaging.rpc.server ^[[01;35m^[[00m ct.coe)
^[[01;31m2016-11-29 08:44:25.542 TRACE oslo_messaging.rpc.server ^[[01;35m^[[00m File "/opt/stack/magnum/magnum/drivers/common/driver.py", line 152, in get_driver
^[[01;31m2016-11-29 08:44:25.542 TRACE oslo_messaging.rpc.server ^[[01;35m^[[00m coe=coe)
^[[01;31m2016-11-29 08:44:25.542 TRACE oslo_messaging.rpc.server ^[[01;35m^[[00mClusterTypeNotSupported: Cluster type (vm, coreos, swarm) not supported.

At the time of creating image: os_distro was set to "coreos", then created template using this image. After that cluster-creation fails and deletion returns above traceback.