2015-07-23 12:23:45.083 660 CRITICAL neutron [-] ValueError: Empty module name
2015-07-23 12:23:45.083 660 TRACE neutron Traceback (most recent call last):
2015-07-23 12:23:45.083 660 TRACE neutron   File "/usr/bin/neutron-server", line 10, in <module>
2015-07-23 12:23:45.083 660 TRACE neutron     sys.exit(main())
2015-07-23 12:23:45.083 660 TRACE neutron   File "/usr/lib/python2.7/site-packages/neutron/cmd/eventlet/server/__init__.py", line 17, in main
2015-07-23 12:23:45.083 660 TRACE neutron     server.main()
2015-07-23 12:23:45.083 660 TRACE neutron   File "/usr/lib/python2.7/site-packages/neutron/server/__init__.py", line 43, in main
2015-07-23 12:23:45.083 660 TRACE neutron     neutron_api = service.serve_wsgi(service.NeutronApiService)
2015-07-23 12:23:45.083 660 TRACE neutron   File "/usr/lib/python2.7/site-packages/neutron/service.py", line 106, in serve_wsgi
2015-07-23 12:23:45.083 660 TRACE neutron     LOG.exception(_LE('Unrecoverable error: please check log '
2015-07-23 12:23:45.083 660 TRACE neutron   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 85, in __exit__
2015-07-23 12:23:45.083 660 TRACE neutron     six.reraise(self.type_, self.value, self.tb)
2015-07-23 12:23:45.083 660 TRACE neutron   File "/usr/lib/python2.7/site-packages/neutron/service.py", line 103, in serve_wsgi
2015-07-23 12:23:45.083 660 TRACE neutron     service.start()
2015-07-23 12:23:45.083 660 TRACE neutron   File "/usr/lib/python2.7/site-packages/neutron/service.py", line 74, in start
2015-07-23 12:23:45.083 660 TRACE neutron     self.wsgi_app = _run_wsgi(self.app_name)
2015-07-23 12:23:45.083 660 TRACE neutron   File "/usr/lib/python2.7/site-packages/neutron/service.py", line 169, in _run_wsgi
2015-07-23 12:23:45.083 660 TRACE neutron     app = config.load_paste_app(app_name)
2015-07-23 12:23:45.083 660 TRACE neutron   File "/usr/lib/python2.7/site-packages/neutron/common/config.py", line 227, in load_paste_app
2015-07-23 12:23:45.083 660 TRACE neutron     app = deploy.loadapp("config:%s" % config_path, name=app_name)
2015-07-23 12:23:45.083 660 TRACE neutron   File "/usr/lib/python2.7/site-packages/paste/deploy/loadwsgi.py", line 247, in loadapp
2015-07-23 12:23:45.083 660 TRACE neutron     return loadobj(APP, uri, name=name, **kw)
2015-07-23 12:23:45.083 660 TRACE neutron   File "/usr/lib/python2.7/site-packages/paste/deploy/loadwsgi.py", line 272, in loadobj
2015-07-23 12:23:45.083 660 TRACE neutron     return context.create()
2015-07-23 12:23:45.083 660 TRACE neutron   File "/usr/lib/python2.7/site-packages/paste/deploy/loadwsgi.py", line 710, in create
2015-07-23 12:23:45.083 660 TRACE neutron     return self.object_type.invoke(self)
2015-07-23 12:23:45.083 660 TRACE neutron   File "/usr/lib/python2.7/site-packages/paste/deploy/loadwsgi.py", line 144, in invoke
2015-07-23 12:23:45.083 660 TRACE neutron     **context.local_conf)