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[Bug 1914886] Re: Trunk bridges aren't removed

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Rodolfo Alonso <1914886@xxxxxxxxxxxxxxxxxx>
Date: Wed, 07 Jul 2021 11:02:41 -0000
Reply-to: Bug 1914886 <1914886@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

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

** Changed in: neutron
     Assignee: (unassigned) => Rodolfo Alonso (rodolfo-alonso-hernandez)

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https://bugs.launchpad.net/bugs/1914886

Title:
  Trunk bridges aren't removed

Status in neutron:
  New
Status in os-vif:
  Triaged

Bug description:
  Recently I found out on the devstack that when I have VM with trunk port and some subports connected to it, trunk bridge isn't deleted when VM is migrated to the another host.
  I think that the same thing will happen when instance will be simply deleted as vif object in case of trunk port (when ML2/ovs is used on Neutron's side) is objects.vif.VIFOpenVSwitch and _unplug method for this type of vif object don't tries to delete bridge at all.

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