9. linuxbridge-agent.log 파일을 cat이나 tail 명령어를 이용해 확인합니다. 가장 아래줄을 보니 socket.bind(address)와 socket.error가 있습니다. 어딘가에 접속할 때 발생하는 오류인 것 같습니다.
[root@compute neutron]# cat linuxbridge-agent.log 2016-07-22 22:48:54.362 3367 INFO neutron.common.config [-] Logging enabled! 2016-07-22 22:48:54.363 3367 INFO neutron.common.config [-] /usr/bin/neutron- linuxbridge-agent version 8.1.2 2016-07-22 22:48:54.363 3367 INFO neutron.plugins.ml2.drivers.linuxbridge.agent. linuxbridge_neutron_agent [-] Interface mappings: {‘provider’: ‘eth1’} 2016-07-22 22:48:54.363 3367 INFO neutron.plugins.ml2.drivers.linuxbridge.agent. linuxbridge_neutron_agent [-] Bridge mappings: {} 2016-07-22 22:48:54.480 3367 CRITICAL neutron [-] Exception: Failed to spawn rootwrap process. stderr: Traceback (most recent call last): File “/usr/bin/neutron-rootwrap-daemon”, line 10, in <module> sys.exit(daemon()) File “/usr/lib/python2.7/site-packages/oslo_rootwrap/cmd.py”, line 57, in daemon return main(run_daemon=True) File “/usr/lib/python2.7/site-packages/oslo_rootwrap/cmd.py”, line 98, in main daemon_mod.daemon_start(config, filters) File “/usr/lib/python2.7/site-packages/oslo_rootwrap/daemon.py”, line 98, in daemon_start server = manager.getserver() File “/usr/lib64/python2.7/multiprocessing/managers.py”, line 493, in get server self._authkey, self._serializer) File “/usr/lib64/python2.7/multiprocessing/managers.py”, line 162, in init self.listener = Listener(address=address, backlog=16) File “/usr/lib/python2.7/site-packages/oslo_rootwrap/jsonrpc.py”, line 66, in init self._socket.bind(address) File “/usr/lib64/python2.7/socket.py”, line 224, in meth return getattr(self._sock,name)(*args) socket.error: [Errno 13] Permission denied