neutron-server启动失败

admin

# systemctl restart neutron-server.service
Job for neutron-server.service failed because the control process exited with error code. See "systemctl status neutron-server.service" and "journalctl -xe" for details.
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2017-11-13 18:43:02.707 30669 ERROR neutron.service [req-aefb402b-8136-4f8b-b866-886fd460647a - - - - -] Unrecoverable error: please check log for details.
2017-11-13 18:43:02.707 30669 ERROR neutron.service Traceback (most recent call last):
2017-11-13 18:43:02.707 30669 ERROR neutron.service   File "/usr/lib/python2.7/site-packages/neutron/service.py", line 103, in serve_wsgi
7 H7 Q0 D" ]; r. M# |6 `2017-11-13 18:43:02.707 30669 ERROR neutron.service     service.start()
2017-11-13 18:43:02.707 30669 ERROR neutron.service   File "/usr/lib/python2.7/site-packages/neutron/service.py", line 76, in start
2017-11-13 18:43:02.707 30669 ERROR neutron.service     self.wsgi_app = _run_wsgi(self.app_name)
2017-11-13 18:43:02.707 30669 ERROR neutron.service   File "/usr/lib/python2.7/site-packages/neutron/service.py", line 214, in _run_wsgi
7 C/ p, w) p7 R$ D8 ?6 c2017-11-13 18:43:02.707 30669 ERROR neutron.service     workers=_get_api_workers())
2017-11-13 18:43:02.707 30669 ERROR neutron.service   File "/usr/lib/python2.7/site-packages/neutron/wsgi.py", line 244, in start
& t" A: P4 H2 G1 P# t0 R$ b' z2017-11-13 18:43:02.707 30669 ERROR neutron.service     backlog=backlog)
2017-11-13 18:43:02.707 30669 ERROR neutron.service   File "/usr/lib/python2.7/site-packages/neutron/wsgi.py", line 192, in _get_socket
4 B6 g8 g7 A2 {. G2017-11-13 18:43:02.707 30669 ERROR neutron.service     'time': CONF.retry_until_window})
2017-11-13 18:43:02.707 30669 ERROR neutron.service RuntimeError: Could not bind to 0.0.0.0:9696 after trying for 30 seconds
  q5 c! n. E8 K% J2017-11-13 18:43:02.707 30669 ERROR neutron.service