# Pastebin 6bLcihla
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Unserializable message: ('#ERROR', ValueError('I/O operation on closed file',))
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2019-07-27 16:46:55.904 2214 ERROR neutron.agent.linux.ip_conntrack Traceback (most recent call last):
2019-07-27 16:46:55.904 2214 ERROR neutron.agent.linux.ip_conntrack   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/ip_conntrack.py", line 104, in _process_queue
2019-07-27 16:46:55.904 2214 ERROR neutron.agent.linux.ip_conntrack     update.device_info_list, update.rule)
2019-07-27 16:46:55.904 2214 ERROR neutron.agent.linux.ip_conntrack   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/ip_conntrack.py", line 165, in _delete_conntrack_state
2019-07-27 16:46:55.904 2214 ERROR neutron.agent.linux.ip_conntrack     extra_ok_codes=[1])
2019-07-27 16:46:55.904 2214 ERROR neutron.agent.linux.ip_conntrack   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/utils.py", line 122, in execute
2019-07-27 16:46:55.904 2214 ERROR neutron.agent.linux.ip_conntrack     execute_rootwrap_daemon(cmd, process_input, addl_env))
2019-07-27 16:46:55.904 2214 ERROR neutron.agent.linux.ip_conntrack   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/utils.py", line 109, in execute_rootwrap_daemon
2019-07-27 16:46:55.904 2214 ERROR neutron.agent.linux.ip_conntrack     LOG.error("Rootwrap error running command: %s", cmd)
2019-07-27 16:46:55.904 2214 ERROR neutron.agent.linux.ip_conntrack   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2019-07-27 16:46:55.904 2214 ERROR neutron.agent.linux.ip_conntrack     self.force_reraise()
2019-07-27 16:46:55.904 2214 ERROR neutron.agent.linux.ip_conntrack   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2019-07-27 16:46:55.904 2214 ERROR neutron.agent.linux.ip_conntrack     six.reraise(self.type_, self.value, self.tb)
2019-07-27 16:46:55.904 2214 ERROR neutron.agent.linux.ip_conntrack   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/utils.py", line 106, in execute_rootwrap_daemon
2019-07-27 16:46:55.904 2214 ERROR neutron.agent.linux.ip_conntrack     return client.execute(cmd, process_input)
2019-07-27 16:46:55.904 2214 ERROR neutron.agent.linux.ip_conntrack   File "/usr/lib/python2.7/site-packages/oslo_rootwrap/client.py", line 154, in execute
2019-07-27 16:46:55.904 2214 ERROR neutron.agent.linux.ip_conntrack     res = self._run_one_command(proxy, cmd, stdin)
2019-07-27 16:46:55.904 2214 ERROR neutron.agent.linux.ip_conntrack   File "/usr/lib/python2.7/site-packages/oslo_rootwrap/client.py", line 139, in _run_one_command
2019-07-27 16:46:55.904 2214 ERROR neutron.agent.linux.ip_conntrack     res = proxy.run_one_command(cmd, stdin)
2019-07-27 16:46:55.904 2214 ERROR neutron.agent.linux.ip_conntrack   File "<string>", line 2, in run_one_command
2019-07-27 16:46:55.904 2214 ERROR neutron.agent.linux.ip_conntrack   File "/usr/lib64/python2.7/multiprocessing/managers.py", line 773, in _callmethod
2019-07-27 16:46:55.904 2214 ERROR neutron.agent.linux.ip_conntrack     raise convert_to_error(kind, result)
2019-07-27 16:46:55.904 2214 ERROR neutron.agent.linux.ip_conntrack RemoteError: 
2019-07-27 16:46:55.904 2214 ERROR neutron.agent.linux.ip_conntrack ---------------------------------------------------------------------------
2019-07-27 16:46:55.904 2214 ERROR neutron.agent.linux.ip_conntrack Unserializable message: ('#ERROR', ValueError('I/O operation on closed file',))
2019-07-27 16:46:55.904 2214 ERROR neutron.agent.linux.ip_conntrack ---------------------------------------------------------------------------