2016-11-23 10:37:12.745 27354 DEBUG vmware_nsx.common.locking [-] Lock nsxv3_nsgroup_manager_init taken with traceback [('/usr/bin/neutron-server', 10, '<module>', 'sys.exit(main())'), ('/usr/lib/python2.7/dist-packages/neutron/cmd/eventlet/server/__init__.py', 22, 'main', 'server.boot_server(_main_neutron_server)'), ('/usr/lib/python2.7/dist-packages/neutron/server/__init__.py', 37, 'boot_server', 'server_func()'), ('/usr/lib/python2.7/dist-packages/neutron/cmd/eventlet/server/__init__.py', 27, '_main_neutron_server', 'wsgi_eventlet.eventlet_wsgi_server()'), ('/usr/lib/python2.7/dist-packages/neutron/server/wsgi_eventlet.py', 24, 'eventlet_wsgi_server', 'neutron_api = service.serve_wsgi(service.NeutronApiService)'), ('/usr/lib/python2.7/dist-packages/neutron/service.py', 107, 'serve_wsgi', 'service.start()'), ('/usr/lib/python2.7/dist-packages/neutron/service.py', 80, 'start', 'self.wsgi_app = _run_wsgi(self.app_name)'), ('/usr/lib/python2.7/dist-packages/neutron/service.py', 234, '_run_wsgi', 'app = config.load_paste_app(app_name)'), ('/usr/lib/python2.7/dist-packages/neutron/common/config.py', 287, 'load_paste_app', 'app = loader.load_app(app_name)'), ('/usr/lib/python2.7/dist-packages/oslo_service/wsgi.py', 353, 'load_app', 'return deploy.loadapp("config:%s" % self.config_path, name=name)'), ('/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py', 247, 'loadapp', 'return loadobj(APP, uri, name=name, **kw)'), ('/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py', 272, 'loadobj', 'return context.create()'), ('/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py', 710, 'create', 'return self.object_type.invoke(self)'), ('/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py', 144, 'invoke', '**context.local_conf)'), ('/usr/lib/python2.7/dist-packages/paste/deploy/util.py', 55, 'fix_call', 'val = callable(*args, **kw)'), ('/usr/lib/python2.7/dist-packages/paste/urlmap.py', 28, 'urlmap_factory', 'app = loader.get_app(app_name, global_conf=global_conf)'), ('/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py', 350, 'get_app', 'name=name, global_conf=global_conf).create()'), ('/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py', 710, 'create', 'return self.object_type.invoke(self)'), ('/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py', 144, 'invoke', '**context.local_conf)'), ('/usr/lib/python2.7/dist-packages/paste/deploy/util.py', 55, 'fix_call', 'val = callable(*args, **kw)'), ('/usr/lib/python2.7/dist-packages/neutron/auth.py', 71, 'pipeline_factory', 'app = loader.get_app(pipeline[-1])'), ('/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py', 350, 'get_app', 'name=name, global_conf=global_conf).create()'), ('/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py', 710, 'create', 'return self.object_type.invoke(self)'), ('/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py', 146, 'invoke', 'return fix_call(context.object, context.global_conf, **context.local_conf)'), ('/usr/lib/python2.7/dist-packages/paste/deploy/util.py', 55, 'fix_call', 'val = callable(*args, **kw)'), ('/usr/lib/python2.7/dist-packages/neutron/api/v2/router.py', 71, 'factory', 'return cls(**local_config)'), ('/usr/lib/python2.7/dist-packages/neutron/api/v2/router.py', 75, '__init__', 'plugin = manager.NeutronManager.get_plugin()'), ('/usr/lib/python2.7/dist-packages/neutron/manager.py', 233, 'get_plugin', 'return weakref.proxy(cls.get_instance().plugin)'), ('/usr/lib/python2.7/dist-packages/neutron/manager.py', 227, 'get_instance', 'cls._create_instance()'), ('/usr/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py', 271, 'inner', 'return f(*args, **kwargs)'), ('/usr/lib/python2.7/dist-packages/neutron/manager.py', 213, '_create_instance', 'cls._instance = cls()'), ('/usr/lib/python2.7/dist-packages/neutron/manager.py', 116, '__init__', 'plugin_provider)'), ('/usr/lib/python2.7/dist-packages/neutron/manager.py', 149, '_get_plugin_instance', 'return plugin_class()'), ('/usr/lib/python2.7/dist-packages/neutron/quota/resource_registry.py', 121, 'wrapper', 'return f(*args, **kwargs)'), ('/usr/lib/python2.7/dist-packages/vmware_nsx/plugins/nsx_v3/plugin.py', 146, '__init__', 'self._init_nsgroup_manager_and_default_section_rules())'), ('/usr/lib/python2.7/dist-packages/vmware_nsx/plugins/nsx_v3/plugin.py', 297, '_init_nsgroup_manager_and_default_section_rules', "with locking.LockManager.get_lock('nsxv3_nsgroup_manager_init'):"), ('/usr/lib/python2.7/dist-packages/vmware_nsx/common/locking.py', 47, 'get_lock', 'traceback.extract_stack())')] get_lock /usr/lib/python2.7/dist-packages/vmware_nsx/common/locking.py:47