2016-02-22 14:57:08.771 ERROR neutron.agent.l3.namespaces [-] Failed trying to delete namespace: qrouter-14ff52e4-dd16-4a6f-9ce7-a084a18de74d
2016-02-22 14:57:08.771 TRACE neutron.agent.l3.namespaces Traceback (most recent call last):
2016-02-22 14:57:08.771 TRACE neutron.agent.l3.namespaces   File "/opt/openstack/neutron/neutron/agent/l3/namespaces.py", line 80, in delete
2016-02-22 14:57:08.771 TRACE neutron.agent.l3.namespaces     self.ip_wrapper_root.netns.delete(self.name)
2016-02-22 14:57:08.771 TRACE neutron.agent.l3.namespaces   File "/opt/openstack/neutron/neutron/agent/linux/ip_lib.py", line 870, in delete
2016-02-22 14:57:08.771 TRACE neutron.agent.l3.namespaces     self._as_root([], ('delete', name), use_root_namespace=True)
2016-02-22 14:57:08.771 TRACE neutron.agent.l3.namespaces   File "/opt/openstack/neutron/neutron/agent/linux/ip_lib.py", line 325, in _as_root
2016-02-22 14:57:08.771 TRACE neutron.agent.l3.namespaces     use_root_namespace=use_root_namespace)
2016-02-22 14:57:08.771 TRACE neutron.agent.l3.namespaces   File "/opt/openstack/neutron/neutron/agent/linux/ip_lib.py", line 95, in _as_root
2016-02-22 14:57:08.771 TRACE neutron.agent.l3.namespaces     log_fail_as_error=self.log_fail_as_error)
2016-02-22 14:57:08.771 TRACE neutron.agent.l3.namespaces   File "/opt/openstack/neutron/neutron/agent/linux/ip_lib.py", line 104, in _execute
2016-02-22 14:57:08.771 TRACE neutron.agent.l3.namespaces     log_fail_as_error=log_fail_as_error)
2016-02-22 14:57:08.771 TRACE neutron.agent.l3.namespaces   File "/opt/openstack/neutron/neutron/agent/linux/utils.py", line 140, in execute
2016-02-22 14:57:08.771 TRACE neutron.agent.l3.namespaces     raise RuntimeError(msg)
2016-02-22 14:57:08.771 TRACE neutron.agent.l3.namespaces RuntimeError: Exit code: 1; Stdin: ; Stdout: ; Stderr: Cannot remove namespace file "/var/run/netns/qrouter-14ff52e4-dd16-4a6f-9ce7-a084a18de74d": No such file or directory
2016-02-22 14:57:08.771 TRACE neutron.agent.l3.namespaces
2016-02-22 14:57:08.771 TRACE neutron.agent.l3.namespaces
2016-02-22 14:57:08.772 ERROR neutron.agent.l3.agent [-] Error while deleting router 14ff52e4-dd16-4a6f-9ce7-a084a18de74d
2016-02-22 14:57:08.772 TRACE neutron.agent.l3.agent Traceback (most recent call last):
2016-02-22 14:57:08.772 TRACE neutron.agent.l3.agent   File "/opt/openstack/neutron/neutron/agent/l3/agent.py", line 355, in _safe_router_removed
2016-02-22 14:57:08.772 TRACE neutron.agent.l3.agent     self._router_removed(router_id)
2016-02-22 14:57:08.772 TRACE neutron.agent.l3.agent   File "/opt/openstack/neutron/neutron/agent/l3/agent.py", line 373, in _router_removed
2016-02-22 14:57:08.772 TRACE neutron.agent.l3.agent     ri.delete(self)
2016-02-22 14:57:08.772 TRACE neutron.agent.l3.agent   File "/opt/openstack/neutron/neutron/agent/l3/ha_router.py", line 380, in delete
2016-02-22 14:57:08.772 TRACE neutron.agent.l3.agent     self.destroy_state_change_monitor(self.process_monitor)
2016-02-22 14:57:08.772 TRACE neutron.agent.l3.agent   File "/opt/openstack/neutron/neutron/agent/l3/ha_router.py", line 326, in destroy_state_change_monitor
2016-02-22 14:57:08.772 TRACE neutron.agent.l3.agent     pm = self._get_state_change_monitor_process_manager()
2016-02-22 14:57:08.772 TRACE neutron.agent.l3.agent   File "/opt/openstack/neutron/neutron/agent/l3/ha_router.py", line 297, in _get_state_change_monitor_process_manager
2016-02-22 14:57:08.772 TRACE neutron.agent.l3.agent     default_cmd_callback=self._get_state_change_monitor_callback())
2016-02-22 14:57:08.772 TRACE neutron.agent.l3.agent   File "/opt/openstack/neutron/neutron/agent/l3/ha_router.py", line 300, in _get_state_change_monitor_callback
2016-02-22 14:57:08.772 TRACE neutron.agent.l3.agent     ha_device = self.get_ha_device_name()
2016-02-22 14:57:08.772 TRACE neutron.agent.l3.agent   File "/opt/openstack/neutron/neutron/agent/l3/ha_router.py", line 137, in get_ha_device_name
2016-02-22 14:57:08.772 TRACE neutron.agent.l3.agent     return (HA_DEV_PREFIX + self.ha_port['id'])[:self.driver.DEV_NAME_LEN]
2016-02-22 14:57:08.772 TRACE neutron.agent.l3.agent TypeError: 'NoneType' object has no attribute '__getitem__'