2016-03-01 09:14:30.886 8671 ERROR keystone Traceback (most recent call last):
2016-03-01 09:14:30.886 8671 ERROR keystone   File "/usr/bin/keystone-all", line 10, in <module>
2016-03-01 09:14:30.886 8671 ERROR keystone     sys.exit(main())
2016-03-01 09:14:30.886 8671 ERROR keystone   File "/usr/lib/python2.7/site-packages/keystone/cmd/all.py", line 38, in main
2016-03-01 09:14:30.886 8671 ERROR keystone     eventlet_server.run(possible_topdir)
2016-03-01 09:14:30.886 8671 ERROR keystone   File "/usr/lib/python2.7/site-packages/keystone/server/eventlet.py", line 156, in run
2016-03-01 09:14:30.886 8671 ERROR keystone     serve(*servers)
2016-03-01 09:14:30.886 8671 ERROR keystone   File "/usr/lib/python2.7/site-packages/keystone/server/eventlet.py", line 88, in serve
2016-03-01 09:14:30.886 8671 ERROR keystone     server.launch_with(launcher)
2016-03-01 09:14:30.886 8671 ERROR keystone   File "/usr/lib/python2.7/site-packages/keystone/server/eventlet.py", line 54, in launch_with
2016-03-01 09:14:30.886 8671 ERROR keystone     self.server.listen()
2016-03-01 09:14:30.886 8671 ERROR keystone   File "/usr/lib/python2.7/site-packages/keystone/common/environment/eventlet_server.py", line 110, in listen
2016-03-01 09:14:30.886 8671 ERROR keystone     backlog=backlog)
2016-03-01 09:14:30.886 8671 ERROR keystone   File "/usr/lib/python2.7/site-packages/eventlet/convenience.py", line 43, in listen
2016-03-01 09:14:30.886 8671 ERROR keystone     sock.bind(addr)
2016-03-01 09:14:30.886 8671 ERROR keystone   File "/usr/lib64/python2.7/socket.py", line 224, in meth
2016-03-01 09:14:30.886 8671 ERROR keystone     return getattr(self._sock,name)(*args)
2016-03-01 09:14:30.886 8671 ERROR keystone error: [Errno 98] Address already in use
2016-03-01 09:14:30.886 8671 ERROR keystone