Comment 2 for bug 1268955

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Andrew Kinney (andykinney) wrote : Re: OVS agent updates the wrong port when using Xen + Neutron with HVM

Can this happen only on initial VM creation or is it possible during every startup?

Have you been able to isolate which file contains the errant code?

As I see it, these are the candidates (my nodes are Debian 7.3, so slightly different locations):
/usr/share/pyshared/neutron/agent/linux/utils.py
/usr/share/pyshared/neutron/plugins/openvswitch/agent/ovs_neutron_agent.py
/usr/bin/neutron-rootwrap-xen-dom0
/etc/xapi.d/plugins/netwrap in dom0

Something is possibly using too loose a filtering method when selecting which interface to tag.