2014-10-01 12:58:00.166 5141 CRITICAL nova [-] PermissionsError: Permission denied
2014-10-01 12:58:00.166 5141 TRACE nova Traceback (most recent call last):
2014-10-01 12:58:00.166 5141 TRACE nova   File "/usr/bin/nova-api", line 10, in <module>
2014-10-01 12:58:00.166 5141 TRACE nova     sys.exit(main())
2014-10-01 12:58:00.166 5141 TRACE nova   File "/usr/lib/python2.7/site-packages/nova/cmd/api.py", line 55, in main
2014-10-01 12:58:00.166 5141 TRACE nova     server = service.WSGIService(api, use_ssl=should_use_ssl)
2014-10-01 12:58:00.166 5141 TRACE nova   File "/usr/lib/python2.7/site-packages/nova/service.py", line 331, in __init__
2014-10-01 12:58:00.166 5141 TRACE nova     self.manager = self._get_manager()
2014-10-01 12:58:00.166 5141 TRACE nova   File "/usr/lib/python2.7/site-packages/nova/service.py", line 383, in _get_manager
2014-10-01 12:58:00.166 5141 TRACE nova     return manager_class()
2014-10-01 12:58:00.166 5141 TRACE nova   File "/usr/lib/python2.7/site-packages/nova/api/manager.py", line 30, in __init__
2014-10-01 12:58:00.166 5141 TRACE nova     self.network_driver.metadata_accept()
2014-10-01 12:58:00.166 5141 TRACE nova   File "/usr/lib/python2.7/site-packages/nova/network/linux_net.py", line 666, in metadata_accept
2014-10-01 12:58:00.166 5141 TRACE nova     iptables_manager.apply()
2014-10-01 12:58:00.166 5141 TRACE nova   File "/usr/lib/python2.7/site-packages/nova/network/linux_net.py", line 434, in apply
2014-10-01 12:58:00.166 5141 TRACE nova     self._apply()
2014-10-01 12:58:00.166 5141 TRACE nova   File "/usr/lib/python2.7/site-packages/nova/openstack/common/lockutils.py", line 322, in inner
2014-10-01 12:58:00.166 5141 TRACE nova     with lock(name, lock_file_prefix, external, lock_path):
2014-10-01 12:58:00.166 5141 TRACE nova   File "/usr/lib64/python2.7/contextlib.py", line 17, in __enter__
2014-10-01 12:58:00.166 5141 TRACE nova     return self.gen.next()
2014-10-01 12:58:00.166 5141 TRACE nova   File "/usr/lib/python2.7/site-packages/nova/openstack/common/lockutils.py", line 287, in lock
2014-10-01 12:58:00.166 5141 TRACE nova     with ext_lock:
2014-10-01 12:58:00.166 5141 TRACE nova   File "/usr/lib/python2.7/site-packages/nova/openstack/common/lockutils.py", line 171, in __enter__
2014-10-01 12:58:00.166 5141 TRACE nova     self.acquire()
2014-10-01 12:58:00.166 5141 TRACE nova   File "/usr/lib/python2.7/site-packages/nova/openstack/common/lockutils.py", line 166, in acquire
2014-10-01 12:58:00.166 5141 TRACE nova     initial_value=1)
2014-10-01 12:58:00.166 5141 TRACE nova PermissionsError: Permission denied
2014-10-01 12:58:00.166 5141 TRACE nova