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[Launchpad Bug Tracker <1202362@xxxxxxxxxxxxxxxxxx>]

[Expired for neutron because there has been no activity for 60 days.]

** Changed in: neutron
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1202362

Title:
  quantum-ovs-cleanup removes system devices that OVS is still looking
  for

Status in OpenStack Neutron (virtual network service):
  Expired

Bug description:
  After rebooting a machine, and running the quantum-ovs-cleanup utility
  in Grizzly (which seems to be the recommended practice--however only
  recommended by way of the Launchpad bug thread in which it was
  created), the script seems to delete the qg-/qr-/tap system devices. I
  did not instruct it to do so via the quantum_ports=False setting.

  This behavior almost sounds normal, however even after ensuring that
  the L3 and DHCP agents start after this cleanup script finishes, I get
  hundreds of errors in the OVS vswitchd log indicating it can't find
  these interfaces (mostly gq-/qr-). Additionally, none of my Quantum
  networks are functional at that point.

  From this point forward, nothing recovers; I continue seeing the same
  vswitchd log errors (to the point that it rate limits them), I presume
  since the agents are requesting status on them so often.

  Let me know what log/console output is helpful here and I'll be happy
  to paste or attach.

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