Updated openstack/openstack
Project: openstack/nova  bdaea839178d8de3740678924a1159c5d8a045e2
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LibVirt: Disable hairpin when using Neutron

When hairpinning is enabled, ICMPv6 messages that handle
duplicate address detections return to the instance, causing IPv6
SLAAC configuration to fail

http://tools.ietf.org/html/rfc4862#section-5.4.3

Closes-Bug: #1251235

Change-Id: I65e1d40d33d6291bfd5558c7c346fc5fbf92cc56