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[peng fei wang <wpf710@xxxxxxxxx>]

Public bug reported:

I am using the M code on Centos7.2

and recently found the following error in compute node /var/log/neutron
/openvswitch-agent.log

it seems that for each serveral weeks ,there will be such an error.

--------------------------------------------------------
.ovs_neutron_agent [req-ae1d74ba-967d-48f2-8ec1-2dcfe7f20991 - - - - -] Error while processing VIF ports
.ovs_neutron_agent Traceback (most recent call last):
.ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py", line 2037, in rpc_loop
.ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py", line 1651, in process_network_ports
.ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/neutron/agent/securitygroups_rpc.py", line 292, in setup_port_filters
.ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/neutron/agent/securitygroups_rpc.py", line 147, in decorated_function
.ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/neutron/agent/securitygroups_rpc.py", line 172, in prepare_devices_filter
.ovs_neutron_agent   File "/usr/lib64/python2.7/contextlib.py", line 24, in __exit__
.ovs_neutron_agent     self.gen.next()
.ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/neutron/agent/firewall.py", line 128, in defer_apply
.ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/iptables_firewall.py", line 833, in filter_defer_apply_off
.ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/iptables_firewall.py", line 818, in _remove_conntrack_entries_from_sg_updates
.ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/iptables_firewall.py", line 775, in _clean_deleted_sg_rule_conntrack_entries
.ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/ip_conntrack.py", line 78, in delete_conntrack_state_by_rule
.ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/ip_conntrack.py", line 72, in _delete_conntrack_state
.ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/utils.py", line 116, in execute
.ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/utils.py", line 102, in execute_rootwrap_daemon
.ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/oslo_rootwrap/client.py", line 128, in execute
.ovs_neutron_agent     res = proxy.run_one_command(cmd, stdin)
.ovs_neutron_agent   File "<string>", line 2, in run_one_command
.ovs_neutron_agent   File "/usr/lib64/python2.7/multiprocessing/managers.py", line 773, in _callmethod
.ovs_neutron_agent     raise convert_to_error(kind, result)
.ovs_neutron_agent RemoteError: 
.ovs_neutron_agent ---------------------------------------------------------------------------
.ovs_neutron_agent Unserializable message: ('#ERROR', FilterMatchNotExecutable())
.ovs_neutron_agent ---------------------------------------------------------------------------


[root@compute1 ~]# rpm -qa|grep openvswitch
openvswitch-2.5.0-2.el7.x86_64
openstack-neutron-openvswitch-8.1.2-el7.centos.noarch
python-openvswitch-2.5.0-2.el7.noarch
[root@compute1 ~]# 

-------------------------------------------------------------------------

anyone run into this

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1667231

Title:
  ovs-agent error while processing VIF ports on compute

Status in neutron:
  New

Bug description:
  I am using the M code on Centos7.2

  and recently found the following error in compute node
  /var/log/neutron/openvswitch-agent.log

  it seems that for each serveral weeks ,there will be such an error.

  --------------------------------------------------------
  .ovs_neutron_agent [req-ae1d74ba-967d-48f2-8ec1-2dcfe7f20991 - - - - -] Error while processing VIF ports
  .ovs_neutron_agent Traceback (most recent call last):
  .ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py", line 2037, in rpc_loop
  .ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py", line 1651, in process_network_ports
  .ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/neutron/agent/securitygroups_rpc.py", line 292, in setup_port_filters
  .ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/neutron/agent/securitygroups_rpc.py", line 147, in decorated_function
  .ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/neutron/agent/securitygroups_rpc.py", line 172, in prepare_devices_filter
  .ovs_neutron_agent   File "/usr/lib64/python2.7/contextlib.py", line 24, in __exit__
  .ovs_neutron_agent     self.gen.next()
  .ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/neutron/agent/firewall.py", line 128, in defer_apply
  .ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/iptables_firewall.py", line 833, in filter_defer_apply_off
  .ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/iptables_firewall.py", line 818, in _remove_conntrack_entries_from_sg_updates
  .ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/iptables_firewall.py", line 775, in _clean_deleted_sg_rule_conntrack_entries
  .ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/ip_conntrack.py", line 78, in delete_conntrack_state_by_rule
  .ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/ip_conntrack.py", line 72, in _delete_conntrack_state
  .ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/utils.py", line 116, in execute
  .ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/neutron/agent/linux/utils.py", line 102, in execute_rootwrap_daemon
  .ovs_neutron_agent   File "/usr/lib/python2.7/site-packages/oslo_rootwrap/client.py", line 128, in execute
  .ovs_neutron_agent     res = proxy.run_one_command(cmd, stdin)
  .ovs_neutron_agent   File "<string>", line 2, in run_one_command
  .ovs_neutron_agent   File "/usr/lib64/python2.7/multiprocessing/managers.py", line 773, in _callmethod
  .ovs_neutron_agent     raise convert_to_error(kind, result)
  .ovs_neutron_agent RemoteError: 
  .ovs_neutron_agent ---------------------------------------------------------------------------
  .ovs_neutron_agent Unserializable message: ('#ERROR', FilterMatchNotExecutable())
  .ovs_neutron_agent ---------------------------------------------------------------------------

  
  [root@compute1 ~]# rpm -qa|grep openvswitch
  openvswitch-2.5.0-2.el7.x86_64
  openstack-neutron-openvswitch-8.1.2-el7.centos.noarch
  python-openvswitch-2.5.0-2.el7.noarch
  [root@compute1 ~]# 

  -------------------------------------------------------------------------

  anyone run into this

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