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[Sean Dague <sean@xxxxxxxxx>]

** Changed in: nova
       Status: New => Opinion

** Changed in: nova
   Importance: Low => Wishlist

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https://bugs.launchpad.net/bugs/1366098

Title:
  Nova does not handle unplugging failed ports well

Status in OpenStack Compute (Nova):
  Opinion

Bug description:
  Using the ml2 neutron plugin, if a port binding fails, the port
  attribute vif_type is set to portbindings.VIF_TYPE_BINDING_FAILED.

  After this happens, nova fails to unplug that port during cleanup,
  raising a new exception in
  nova.virt.libvirt.vif.LibvirtGenericVIFDriver.unplug. This exception
  then hides the original failure.

  A solution should be just defining a no-op unplug_binding_failed
  method in that class, as nothing is to be done in that case anyway.

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