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[Ihar Hrachyshka <1433172@xxxxxxxxxxxxxxxxxx>]

The bug is in keepalived not neutron, moving to Won't Fix.

** Changed in: neutron
       Status: Triaged => Won't Fix

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https://bugs.launchpad.net/bugs/1433172

Title:
  L3 HA routers master state flapping between nodes after router updates
  or failovers when using 1.2.14 or 1.2.15 (-1.2.15-6)

Status in neutron:
  Won't Fix
Status in openstack-ansible:
  Fix Released

Bug description:
  keepalived 1.2.14 introduced a regression when running it in no-preempt mode. More details here in a thread I started on the keepalived-devel list:
  http://sourceforge.net/p/keepalived/mailman/message/33604497/

  A fix was backported to 1.2.15-6, and is present in 1.2.16.

  Current status (Updated on the 30th of April, 2015):
  Fedora 20, 21 and 22 have 1.2.16.
  CentOS and RHEL are on 1.2.13

  Ubuntu is using 1.2.10 or older.
  Debian is using 1.2.13.

  In summary, as long as you're not using 1.2.14 or 1.2.15 (Excluding
  1.2.15-6), you're OK, which should be the case if you're using the
  latest keepalived packaged for your distro.

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