Hi Paul, the OVSInterfaceDriver creates interfaces with type internal so agents like DHCP/L3 etc can put IP addresses on them. But I don't think type internal will work for instances. You could try subclassing and overriding so it does not do this: https://github.com/openstack/neutron/blob/2541ff7cad19941b62dace7e9951a56a16e53f3e/neutron/agent/linux/interface.py#L150 Regards, Darragh. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20140331/78f29a79/attachment.html>