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[Launchpad Bug Tracker <1460105@xxxxxxxxxxxxxxxxxx>]

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We launch IPv6 traffic to a VM within an Openstack Host that has icehouse. Soon the host restarts. In /var/log/messages and /var/log/openvswitch/ovs-vswitchd.log we see multiple instances of this error:
      ovs-vswitchd: ovs|00025|odp_util(revalidator_20)|ERR|mask expected for non-Ethernet II frame

We tried the same test on multiple other machines that have slightly different versions of neutron. Our conclusion is that the bug must have been introduced with :
    openstack-neutron.noarch 2014.1.3-5.el6
    openstack-neutron-ml2.noarch 2014.1.3-5.el6
    openstack-neutron-openvswitch.noarch 2014.1.3-5.el6
    python-neutron.noarch 2014.1.3-5.el6

Machines with the above version (or later) will exhibit the bug.

Machines with the following version will work fine:
    openstack-neutron.noarch 2014.1.3-4.el6
    openstack-neutron-ml2.noarch 2014.1.3-4.el6
    openstack-neutron-openvswitch.noarch 2014.1.3-4.el6
    python-neutron.noarch 2014.1.3-4.el6

** Affects: neutron
     Importance: Undecided
         Status: New

-- 
Since end of 2014 IPv6 traffic causes host to reboot
https://bugs.launchpad.net/bugs/1460105
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