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[Matt Riedemann <mriedem@xxxxxxxxxx>]

Public bug reported:

I saw this in some ansible jobs in the gate:

2015-09-30 22:37:21.805 26634 ERROR
neutron.plugins.ml2.drivers.linuxbridge.agent.linuxbridge_neutron_agent
[req-23466df3-f59e-4897-9a22-1abb7c99dfd9
9a365636c1b44c41a9770a26ead28701 cbddab88045d45eeb3d2027a3e265b78 - - -]
Cannot delete bridge brq33213e3f-2b, does not exist

http://logs.openstack.org/57/227957/3/gate/gate-openstack-ansible-dsvm-
commit/de3daa3/logs/aio1-neutron/neutron-linuxbridge-agent.log

https://github.com/openstack/neutron/blob/master/neutron/plugins/ml2/drivers/linuxbridge/agent/linuxbridge_neutron_agent.py#L533

That should not be an ERROR message, it could be INFO at best.  If
you're racing with RPC and a thing is already gone, which you were going
to delete anyway, it's not an error.

** Affects: neutron
     Importance: Medium
     Assignee: Matt Riedemann (mriedem)
         Status: In Progress


** Tags: linuxbridge logging ml2

** Tags added: linuxbridge ml2

** Changed in: neutron
       Status: New => In Progress

** Changed in: neutron
   Importance: Undecided => Medium

** Changed in: neutron
     Assignee: (unassigned) => Matt Riedemann (mriedem)

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https://bugs.launchpad.net/bugs/1501779

Title:
  Failing to delete an ML2 linux bridge b/c it does not exist should not
  be an ERROR in the logs

Status in neutron:
  In Progress

Bug description:
  I saw this in some ansible jobs in the gate:

  2015-09-30 22:37:21.805 26634 ERROR
  neutron.plugins.ml2.drivers.linuxbridge.agent.linuxbridge_neutron_agent
  [req-23466df3-f59e-4897-9a22-1abb7c99dfd9
  9a365636c1b44c41a9770a26ead28701 cbddab88045d45eeb3d2027a3e265b78 - -
  -] Cannot delete bridge brq33213e3f-2b, does not exist

  http://logs.openstack.org/57/227957/3/gate/gate-openstack-ansible-
  dsvm-commit/de3daa3/logs/aio1-neutron/neutron-linuxbridge-agent.log

  https://github.com/openstack/neutron/blob/master/neutron/plugins/ml2/drivers/linuxbridge/agent/linuxbridge_neutron_agent.py#L533

  That should not be an ERROR message, it could be INFO at best.  If
  you're racing with RPC and a thing is already gone, which you were
  going to delete anyway, it's not an error.

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