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[Swaminathan Vasudevan <swaminathan.vasudevan@xxxxxx>]

Public bug reported:

When a router interface is removed from DVR routers, the router
interface ports are cleared but the affinity to the agent or the binding
to the agent is not cleared even though there are no interface ports
associated with the Router.

This more prominently seen when there is a VM in the subnet associated
with the router. In this case you see router binded to the two agents,
one in the "dvr_snat" node and the other from the compute node "dvr".

At this point when you remove the router interface associated with the
router, you should see the router agent binding to clear, but it is not
seen.

** Affects: neutron
     Importance: Undecided
         Status: New


** Tags: l3-dvr-backlog

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https://bugs.launchpad.net/bugs/1413630

Title:
  Router does not unbind from the agent when the router interfaces are
  removed from DVR router

Status in OpenStack Neutron (virtual network service):
  New

Bug description:
  When a router interface is removed from DVR routers, the router
  interface ports are cleared but the affinity to the agent or the
  binding to the agent is not cleared even though there are no interface
  ports associated with the Router.

  This more prominently seen when there is a VM in the subnet associated
  with the router. In this case you see router binded to the two agents,
  one in the "dvr_snat" node and the other from the compute node "dvr".

  At this point when you remove the router interface associated with the
  router, you should see the router agent binding to clear, but it is
  not seen.

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