I apply qos policy to gateway port in devstack, refer to this patch: https://review.openstack.org/#/c/523153/ , I change options "ovs_use_veth" to True(Default is False), but I meet the problem, I can't connect my vm by "ping". The vm and namespace create before I change options "ovs_use_veth". Is this change smoothly? -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20180428/5247d470/attachment.html>