ERROR oslo_messaging.rpc.server [-] Exception during handling message
2016-05-13 16:06:40.967 TRACE oslo_messaging.rpc.server Traceback (most recent call last):
2016-05-13 16:06:40.967 TRACE oslo_messaging.rpc.server   File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/server.py", line 133, in _process_incoming
2016-05-13 16:06:40.967 TRACE oslo_messaging.rpc.server     res = self.dispatcher.dispatch(message)
2016-05-13 16:06:40.967 TRACE oslo_messaging.rpc.server   File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 160, in dispatch
2016-05-13 16:06:40.967 TRACE oslo_messaging.rpc.server     raise NoSuchMethod(method)
2016-05-13 16:06:40.967 TRACE oslo_messaging.rpc.server NoSuchMethod: Endpoint does not support RPC method tunnel_sync
2016-05-13 16:06:40.967 TRACE oslo_messaging.rpc.server
2016-05-13 16:06:40.968 ERROR oslo_messaging._drivers.common [-] Returning exception Endpoint does not support RPC method tunnel_sync to caller
2016-05-13 16:06:40.968 ERROR oslo_messaging._drivers.common [-] ['Traceback (most recent call last):\n', '  File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/server.py", line 133, in _process_incoming\n    res = self.dispatcher.dispatch(message)\n', '  File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 160, in dispatch\n    raise NoSuchMethod(method)\n', 'NoSuchMethod: Endpoint does not support RPC method tunnel_sync\n']