Hi Sean,

I've finally managed to setup a Stein environment to test the isolate_vif option. I tried to set isolate_vif in nova.conf but instances than fails to spawn with the following in the nova-compute.log:

2019-12-18 13:32:07.180 30660 ERROR vif_plug_ovs.ovsdb.impl_vsctl [req-303dc31c-3c1e-446e-8f1e-83b604cee0c6 68910e67a8cb49e1af2d2bb3b4e3fa49 d5d22a5d7e194a0789a07a3c4d2affd6 - default default] Unable to e
xecute ['ovs-vsctl', '--timeout=120', '--oneline', '--format=json', '--db=tcp:127.0.0.1:6640', '--', '--may-exist', 'add-port', 'br-int', 'qvo5639e4bf-52', '--', 'set', 'Interface', 'qvo5639e4bf-52', 'ext
ernal_ids:iface-id=5639e4bf-52d7-4674-9084-e258acb47fae', 'external_ids:iface-status=active', 'external_ids:attached-mac=fa:16:3e:d8:ff:c8', 'external_ids:vm-uuid=1a6cfd1e-7414-4ac3-8c5d-81918a445ab5', 't
ag=4095']. Exception: Unexpected error while running command.
Command: ovs-vsctl --timeout=120 --oneline --format=json --db=tcp:127.0.0.1:6640 -- --may-exist add-port br-int qvo5639e4bf-52 -- set Interface qvo5639e4bf-52 external_ids:iface-id=5639e4bf-52d7-4674-9084
-e258acb47fae external_ids:iface-status=active external_ids:attached-mac=fa:16:3e:d8:ff:c8 external_ids:vm-uuid=1a6cfd1e-7414-4ac3-8c5d-81918a445ab5 tag=4095
Exit code: 1
Stdout: ''
Stderr: 'ovs-vsctl: Interface does not contain a column whose name matches "tag"\n': oslo_concurrency.processutils.ProcessExecutionError: Unexpected error while running command.
2019-12-18 13:32:07.254 30660 INFO os_vif [req-303dc31c-3c1e-446e-8f1e-83b604cee0c6 68910e67a8cb49e1af2d2bb3b4e3fa49 d5d22a5d7e194a0789a07a3c4d2affd6 - default default] Successfully plugged vif VIFBridge(
active=False,address=fa:16:3e:d8:ff:c8,bridge_name='qbr5639e4bf-52',has_traffic_filtering=True,id=5639e4bf-52d7-4674-9084-e258acb47fae,network=Network(c4197b2d-f568-4bd2-9b0a-eb0fa05e7428),plugin='ovs',po
rt_profile=VIFPortProfileOpenVSwitch,preserve_on_delete=False,vif_name='tap5639e4bf-52')
2019-12-18 13:32:07.275 30660 ERROR vif_plug_ovs.ovsdb.impl_vsctl [req-be4f125b-e4e5-427d-ba84-b0fb86478807 68910e67a8cb49e1af2d2bb3b4e3fa49 d5d22a5d7e194a0789a07a3c4d2affd6 - default default] Unable to e
xecute ['ovs-vsctl', '--timeout=120', '--oneline', '--format=json', '--db=tcp:127.0.0.1:6640', '--', '--may-exist', 'add-port', 'br-int', 'qvo8e2e0cb9-27', '--', 'set', 'Interface', 'qvo8e2e0cb9-27', 'ext
ernal_ids:iface-id=8e2e0cb9-2785-4d09-835d-f20897035cf2', 'external_ids:iface-status=active', 'external_ids:attached-mac=fa:16:3e:41:40:43', 'external_ids:vm-uuid=4773263b-d538-4e1b-b405-7c39c96eb7e2', 't
ag=4095']. Exception: Unexpected error while running command.
Command: ovs-vsctl --timeout=120 --oneline --format=json --db=tcp:127.0.0.1:6640 -- --may-exist add-port br-int qvo8e2e0cb9-27 -- set Interface qvo8e2e0cb9-27 external_ids:iface-id=8e2e0cb9-2785-4d09-835d
-f20897035cf2 external_ids:iface-status=active external_ids:attached-mac=fa:16:3e:41:40:43 external_ids:vm-uuid=4773263b-d538-4e1b-b405-7c39c96eb7e2 tag=4095
Exit code: 1
Stdout: ''
Stderr: 'ovs-vsctl: Interface does not contain a column whose name matches "tag"\n': oslo_concurrency.processutils.ProcessExecutionError: Unexpected error while running command.


Openstack version: Stein


[root@compute1 (GN0) ~]# ovs-vsctl -V
ovs-vsctl (Open vSwitch) 2.11.0
DB Schema 7.16.1

[root@compute1 (GN0) ~]# rpm -qa | grep neutron
openstack-neutron-common-14.0.3-0.20190923200444.5eb234b.el8ost.noarch
openstack-neutron-openvswitch-14.0.3-0.20190923200444.5eb234b.el8ost.noarch
python3-neutron-lib-1.25.0-0.20190521130309.fc2a810.el8ost.noarch
python3-neutronclient-6.12.0-0.20190312100012.680b417.el8ost.noarch
openstack-neutron-14.0.3-0.20190923200444.5eb234b.el8ost.noarch
python3-neutron-14.0.3-0.20190923200444.5eb234b.el8ost.noarch
openstack-neutron-ml2-14.0.3-0.20190923200444.5eb234b.el8ost.noarch

[root@compute1 (GN0) ~]# rpm -qa | grep nova
python3-novaclient-13.0.1-0.20190710173535.ef842ca.el8ost.noarch
python3-nova-19.0.3-0.20190814170534.a8e19af.el8ost.noarch
openstack-nova-common-19.0.3-0.20190814170534.a8e19af.el8ost.noarch
openstack-nova-compute-19.0.3-0.20190814170534.a8e19af.el8ost.noarch


Do I miss something?


Regards,
Paul