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[Oleg Bondarev <obondarev@xxxxxxxxxxxx>]

Public bug reported:

Scenario:
 - have VM with floating ip
 - l3 agent on compute node goes down
 - VM is deleted
 - server removes router from l3 agent on compute node
 - l3 agent goes up
 - l3 agent cleans stale qrouter namespace, fip namespace remains
As a result there might be troubles when further associating floating ips with VMs on that compute node due to stale interfaces in fip namespace.

** Affects: neutron
     Importance: Undecided
     Assignee: Oleg Bondarev (obondarev)
         Status: In Progress


** Tags: kilo-backport-potential l3-dvr-backlog

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https://bugs.launchpad.net/bugs/1470909

Title:
  DVR: stale fip namespaces are not cleaned up on compute nodes

Status in OpenStack Neutron (virtual network service):
  In Progress

Bug description:
  Scenario:
   - have VM with floating ip
   - l3 agent on compute node goes down
   - VM is deleted
   - server removes router from l3 agent on compute node
   - l3 agent goes up
   - l3 agent cleans stale qrouter namespace, fip namespace remains
  As a result there might be troubles when further associating floating ips with VMs on that compute node due to stale interfaces in fip namespace.

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