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Reviewed:  https://review.openstack.org/266114
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=2540c84c7624892cd64514a5864731433f3889bb
Submitter: Jenkins
Branch:    master

commit 2540c84c7624892cd64514a5864731433f3889bb
Author: Assaf Muller <amuller@xxxxxxxxxx>
Date:   Mon Jan 11 21:58:30 2016 -0500

    Fix regression with unbound ports and l2pop
    
    When l2pop is enabled and an unbound port is deleted l2pop mech
    driver raises an exception as a result of patch:
    https://review.openstack.org/#/c/263471/
    
    As a result of the same patch, when an unbound port's IP
    address is changed l2pop sends a fanout RPC message needlessly.
    
    Change-Id: Ia81c03dcdf7aef9528c9c2b9527399251fa6aad7
    Closes-Bug: #1533013


** Changed in: neutron
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1533013

Title:
  L2pop raises exception when deleting an unbound port

Status in neutron:
  Fix Released

Bug description:
  Some brilliant individual introduced a regression during a refactor
  (https://review.openstack.org/#/c/263471/) that causes an exception to
  be raised when an unbound port is deleted. For example:

  neutron port-create --name=port some_network
  neutron port-delete port
  Deleted port: port

  In the neutron-server log we can see:
  http://paste.openstack.org/show/483517/

  Apart from the scary TRACE there's no real implications. What should
  have happened is an early return, so the l2pop mech driver shouldn't
  be doing anything in this case, and it's spamming the log with bogus
  information instead.

  Similarly, when updating the IP address of an unbound port, a 'chg_ip'
  RPC message is fanout when there's no need to do so.

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