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[Chuck Short <chuck.short@xxxxxxxxxxxxx>]

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

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https://bugs.launchpad.net/bugs/1400217

Title:
  L3 HA keepalived config state becomes inconsistent when managing
  floating ips

Status in OpenStack Neutron (virtual network service):
  Fix Committed
Status in neutron juno series:
  New

Bug description:
  The  Keepalived config becomes inconsistent, missing some/all floating
  IP addresses on regeneration on the current master.  Upon transition
  this results in floating IP addresses being left configured on the
  previous active master.

  This occasionally results in network flaps for all addresses attached
  to that tenants router.

  Neutron L3 Agent checks what IPs are configured on the local interface
  before it adds the Floating IP addresses, as keepalived holds the
  configured state we need to check against keepalived not the system.

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