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[Matt Riedemann <mriedem@xxxxxxxxxx>]

** Tags added: logging

** Also affects: neutron
   Importance: Undecided
       Status: New

** No longer affects: nova

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https://bugs.launchpad.net/bugs/1514935

Title:
  "Exception: Port tapcea51630-e1 is not ready, resync needed" spamming
  neutron agent logs

Status in neutron:
  New

Bug description:
  Due to this change:

  https://review.openstack.org/#/c/164880/

  We see a ton of these errors in the neutron agent logs in gate runs:

  http://logstash.openstack.org/#dashboard/file/logstash.json?query=message:%5C%22Exception:%20Port%5C%22%20AND%20message:%5C%22is%20not%20ready,%20resync%20needed%5C%22%20AND%20tags:%5C%22screen-q-agt.txt%5C%22

  http://logs.openstack.org/85/239885/2/gate/gate-tempest-dsvm-neutron-
  full/602d864/logs/screen-q-agt.txt.gz?level=TRACE#_2015-11-10_17_09_45_965

  2015-11-10 17:09:45.965 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent [req-15a73753-1512-4689-9404-9658a0cd0c09 None None] Error while processing VIF ports
  2015-11-10 17:09:45.965 27715 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent Traceback (most recent call last):
  2015-11-10 17:09:45.965 27715 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent   File "/opt/stack/new/neutron/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py", line 1868, in rpc_loop
  2015-11-10 17:09:45.965 27715 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent     consecutive_resyncs)
  2015-11-10 17:09:45.965 27715 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent   File "/opt/stack/new/neutron/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py", line 1791, in process_port_info
  2015-11-10 17:09:45.965 27715 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent     ancillary_ports, updated_ports_copy))
  2015-11-10 17:09:45.965 27715 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent   File "/opt/stack/new/neutron/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py", line 1271, in process_ports_events
  2015-11-10 17:09:45.965 27715 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent     ancillary_port_info['added'])
  2015-11-10 17:09:45.965 27715 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent   File "/opt/stack/new/neutron/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py", line 1262, in _process_device
  2015-11-10 17:09:45.965 27715 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent     'name'])
  2015-11-10 17:09:45.965 27715 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent Exception: Port tapcea51630-e1 is not ready, resync needed
  2015-11-10 17:09:45.965 27715 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent

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