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[Alan Pevec <1175695@xxxxxxxxxxxxxxxxxx>]

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

** Changed in: neutron/havana
       Status: New => Fix Committed

** Changed in: neutron/havana
    Milestone: None => 2013.2.4

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https://bugs.launchpad.net/bugs/1175695

Title:
  L3 agent restart causes network outage

Status in OpenStack Neutron (virtual network service):
  Fix Released
Status in neutron havana series:
  Fix Committed

Bug description:
  When L3 agent is restarted, it destroys all existing namespaces and
  then recreates them.  This causes a network outage for the affected
  routers and floating IPs, even if those routers/floating IPs are still
  valid.  We should be able to preserve existing, valid namespaces
  across an agent restart and avoid the network outage.

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