neutron ovs问题，急！请指教

部署完成后，所有服务日志显示都是正确，但是neutron下的server.log报错。请高手赐教

[root@controller neutron]# ls
dhcp-agent.log  l3-agent.log  metadata-agent.log  openvswitch-agent.log  server.log


[root@controller neutron]# tail 30 server.log
tail: cannot open ‘30’ for reading: No such file or directory
==> server.log <==
2017-04-04 22:50:25.635 6586 ERROR oslo_messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 183, in _dispatch
2017-04-04 22:50:25.635 6586 ERROR oslo_messaging.rpc.dispatcher     return self._do_dispatch(endpoint, method, ctxt, args)
2017-04-04 22:50:25.635 6586 ERROR oslo_messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 127, in _do_dispatch
2017-04-04 22:50:25.635 6586 ERROR oslo_messaging.rpc.dispatcher     result = func(ctxt, **new_args)
2017-04-04 22:50:25.635 6586 ERROR oslo_messaging.rpc.dispatcher   File "/usr/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/type_tunnel.py", line 385, in tunnel_sync
2017-04-04 22:50:25.635 6586 ERROR oslo_messaging.rpc.dispatcher     raise exc.InvalidInput(error_message=msg)
2017-04-04 22:50:25.635 6586 ERROR oslo_messaging.rpc.dispatcher InvalidInput: Invalid input for operation: Network type value 'gre' not supported.
2017-04-04 22:50:25.635 6586 ERROR oslo_messaging.rpc.dispatcher
2017-04-04 22:50:25.635 6586 ERROR oslo_messaging._drivers.common [req-7829167e-1a29-4bdf-8d6d-b07017df83ba - - - - -] Returning exception Invalid input for operation: Network type value 'gre' not supported. to caller
2017-04-04 22:50:25.635 6586 ERROR oslo_messaging._drivers.common [req-7829167e-1a29-4bdf-8d6d-b07017df83ba - - - - -] ['Traceback (most recent call last):\n', '  File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 138, in _dispatch_and_reply\n    incoming.message))\n', '  File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 183, in _dispatch\n    return self._do_dispatch(endpoint, method, ctxt, args)\n', '  File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 127, in _do_dispatch\n    result = func(ctxt, **new_args)\n', '  File "/usr/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/type_tunnel.py", line 385, in tunnel_sync\n    raise exc.InvalidInput(error_message=msg)\n', "InvalidInput: Invalid input for operation: Network type value 'gre' not supported.\n"]
[root@controller neutron]#


感谢

这个错误可能是neutron数据库同步的问题。可以往后面看，是否影响创建实例。