@abaindur the description in comment #18 sounds more to me like https://bugs.launchpad.net/neutron/+bug/1894843 and already fixed in stable/queens upstream.
Here is the commit: https://opendev.org/openstack/neutron/commit/8f3daf3f9892cd691dd52965f0fa4eaa07ac3788 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1850779 Title: [L3] snat-ns will be initialized twice for DVR+HA routers during agent restart To manage notifications about this bug go to: https://bugs.launchpad.net/neutron/+bug/1850779/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
