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[Alan Pevec <1229625@xxxxxxxxxxxxxxxxxx>]

** Changed in: nova
   Importance: Undecided => Medium

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

** Changed in: nova/havana
       Status: New => In Progress

** Changed in: nova/havana
   Importance: Undecided => Medium

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

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https://bugs.launchpad.net/bugs/1229625

Title:
   hairpin mode on vnet bridge ports causes false positives on IPv6
  duplicate address detection

Status in OpenStack Compute (Nova):
  Fix Released
Status in OpenStack Compute (nova) havana series:
  In Progress

Bug description:
  This is bug 1011134 again happening in a cloud that does not have the ipv6 flag set,
  so the previous patch from https://review.openstack.org/14017
  is not used.
  Guest VMs will try to configure IPv6 link-local addrs even without the outer parts supporting it
  and can throw errors when they see inbound packets with their own MAC address.

  Note: I think, this bug can not be unit-tested as it requires a
  complex setup including running a VM in a cloud.

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