Description of problem: After OVS to OVN migration is completed there are still some ML2/OVS specific interfaces on overcloud nodes, e.g. compute nodes have fg- and interfaces, controller nodes have sg- interfaces. All the interfaces are DOWN. Note: the environment before the OVN migration was using openvswitch firewall and had VMs with trunk ports. Version-Release number of selected component (if applicable): RHOS-16.1-RHEL-8-20220210.n.1 python3-networking-ovn-migration-tool-7.3.1-1.20220113183502.el8ost.noarch How reproducible: 100% Steps to Reproduce: 1. Deploy an ML2/OVS environment with openvswitch firewall (Note: OVN migration with iptables_hybrid firewall is not supported, see BZ2022040) 2. Create router, private network, security group, Create VMs connected to the privare network. 3. Create workload VMs with trunk ports (Note, I connected the VMs directly to the external network) 4. Migrate to ML2/OVN according to the official procedure from the OSP documentation. 5. Check that there are no ML2/OVS-specific leftovers on the overcloud nodes. Actual results: Interfaces like fg- and sg- exist on the overcloud nodes Expected results: Interfaces like fg- and sg- do not exist on the overcloud nodes Additional info: [heat-admin@controller-0 ~]$ ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether 52:54:00:f1:3d:20 brd ff:ff:ff:ff:ff:ff inet 192.168.24.51/24 brd 192.168.24.255 scope global ens3 valid_lft forever preferred_lft forever inet 192.168.24.8/32 brd 192.168.24.255 scope global ens3 valid_lft forever preferred_lft forever inet6 fe80::5054:ff:fef1:3d20/64 scope link valid_lft forever preferred_lft forever 3: ens4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master ovs-system state UP group default qlen 1000 link/ether 52:54:00:02:01:1a brd ff:ff:ff:ff:ff:ff inet6 fe80::5054:ff:fe02:11a/64 scope link valid_lft forever preferred_lft forever 4: ens5: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master ovs-system state UP group default qlen 1000 link/ether 52:54:00:87:8a:1b brd ff:ff:ff:ff:ff:ff inet6 fe80::5054:ff:fe87:8a1b/64 scope link valid_lft forever preferred_lft forever 5: ovs-system: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether b2:5d:42:99:1b:4b brd ff:ff:ff:ff:ff:ff 6: br-isolated: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000 link/ether 52:54:00:02:01:1a brd ff:ff:ff:ff:ff:ff inet6 fe80::5054:ff:fe02:11a/64 scope link valid_lft forever preferred_lft forever 7: br-ex: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000 link/ether 52:54:00:87:8a:1b brd ff:ff:ff:ff:ff:ff inet 10.0.0.148/24 brd 10.0.0.255 scope global br-ex valid_lft forever preferred_lft forever inet 10.0.0.146/32 brd 10.0.0.255 scope global br-ex valid_lft forever preferred_lft forever inet6 fe80::5054:ff:fe87:8a1b/64 scope link valid_lft forever preferred_lft forever 8: vlan30: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000 link/ether d2:92:cc:12:d1:0b brd ff:ff:ff:ff:ff:ff inet 172.17.3.64/24 brd 172.17.3.255 scope global vlan30 valid_lft forever preferred_lft forever inet6 fe80::d092:ccff:fe12:d10b/64 scope link valid_lft forever preferred_lft forever 9: vlan50: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000 link/ether 96:32:56:d7:f5:cd brd ff:ff:ff:ff:ff:ff inet 172.17.2.36/24 brd 172.17.2.255 scope global vlan50 valid_lft forever preferred_lft forever inet6 fe80::9432:56ff:fed7:f5cd/64 scope link valid_lft forever preferred_lft forever 10: vlan40: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000 link/ether e6:a4:d2:fe:32:cc brd ff:ff:ff:ff:ff:ff inet 172.17.4.19/24 brd 172.17.4.255 scope global vlan40 valid_lft forever preferred_lft forever inet6 fe80::e4a4:d2ff:fefe:32cc/64 scope link valid_lft forever preferred_lft forever 11: vlan20: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000 link/ether 16:76:a5:aa:24:ae brd ff:ff:ff:ff:ff:ff inet 172.17.1.85/24 brd 172.17.1.255 scope global vlan20 valid_lft forever preferred_lft forever inet 172.17.1.143/32 brd 172.17.1.255 scope global vlan20 valid_lft forever preferred_lft forever inet6 fe80::1476:a5ff:feaa:24ae/64 scope link valid_lft forever preferred_lft forever 12: br-int: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether fe:d0:01:3d:65:4c brd ff:ff:ff:ff:ff:ff 81: genev_sys_6081: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 65000 qdisc noqueue master ovs-system state UNKNOWN group default qlen 1000 link/ether e2:b3:09:ee:ce:7d brd ff:ff:ff:ff:ff:ff inet6 fe80::e0b3:9ff:feee:ce7d/64 scope link valid_lft forever preferred_lft forever 90: sg-41e97ad4-49: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 6a:a5:27:29:ed:d2 brd ff:ff:ff:ff:ff:ff 91: sg-116af0e0-df: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 7a:2b:52:8a:1e:ec brd ff:ff:ff:ff:ff:ff 92: sg-74c1540c-f7: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether f2:45:50:42:cd:43 brd ff:ff:ff:ff:ff:ff 93: fg-6352a82b-56: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 9a:8e:82:a2:a1:af brd ff:ff:ff:ff:ff:ff 94: sg-365c534c-b7: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 66:4b:c7:4f:b4:c8 brd ff:ff:ff:ff:ff:ff 95: sg-b4b16007-f0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 8a:28:19:b0:9b:ea brd ff:ff:ff:ff:ff:ff 96: sg-c0eed5dc-b2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 1e:da:fe:cb:69:92 brd ff:ff:ff:ff:ff:ff 97: sg-8c093165-fe: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether ee:6f:bf:c4:69:24 brd ff:ff:ff:ff:ff:ff [heat-admin@compute-0 ~]$ ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether 52:54:00:53:11:56 brd ff:ff:ff:ff:ff:ff inet 192.168.24.18/24 brd 192.168.24.255 scope global ens3 valid_lft forever preferred_lft forever inet6 fe80::5054:ff:fe53:1156/64 scope link valid_lft forever preferred_lft forever 3: ens4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master ovs-system state UP group default qlen 1000 link/ether 52:54:00:06:b9:3d brd ff:ff:ff:ff:ff:ff inet6 fe80::5054:ff:fe06:b93d/64 scope link valid_lft forever preferred_lft forever 4: ens5: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master ovs-system state UP group default qlen 1000 link/ether 52:54:00:20:d7:41 brd ff:ff:ff:ff:ff:ff inet6 fe80::5054:ff:fe20:d741/64 scope link valid_lft forever preferred_lft forever 5: ovs-system: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 96:3e:97:ef:39:79 brd ff:ff:ff:ff:ff:ff 6: br-isolated: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000 link/ether 52:54:00:06:b9:3d brd ff:ff:ff:ff:ff:ff inet6 fe80::5054:ff:fe06:b93d/64 scope link valid_lft forever preferred_lft forever 7: br-ex: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000 link/ether 52:54:00:20:d7:41 brd ff:ff:ff:ff:ff:ff inet6 fe80::5054:ff:fe20:d741/64 scope link valid_lft forever preferred_lft forever 8: vlan30: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000 link/ether 46:79:bb:6b:77:7a brd ff:ff:ff:ff:ff:ff inet 172.17.3.17/24 brd 172.17.3.255 scope global vlan30 valid_lft forever preferred_lft forever inet6 fe80::4479:bbff:fe6b:777a/64 scope link valid_lft forever preferred_lft forever 9: vlan50: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000 link/ether fa:21:01:7d:10:2c brd ff:ff:ff:ff:ff:ff inet 172.17.2.17/24 brd 172.17.2.255 scope global vlan50 valid_lft forever preferred_lft forever inet6 fe80::f821:1ff:fe7d:102c/64 scope link valid_lft forever preferred_lft forever 10: vlan20: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000 link/ether 5a:29:6f:89:c5:d1 brd ff:ff:ff:ff:ff:ff inet 172.17.1.39/24 brd 172.17.1.255 scope global vlan20 valid_lft forever preferred_lft forever inet6 fe80::5829:6fff:fe89:c5d1/64 scope link valid_lft forever preferred_lft forever 11: br-int: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 2a:d0:2d:f3:ae:47 brd ff:ff:ff:ff:ff:ff 30: tbr-aecb9cc6-9: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether ee:42:4b:7f:8a:4e brd ff:ff:ff:ff:ff:ff 34: tbr-2d0b07bd-e: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 16:67:f2:eb:b6:4e brd ff:ff:ff:ff:ff:ff 35: tap6abd4bdd-88: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master ovs-system state UNKNOWN group default qlen 1000 link/ether fe:16:3e:a0:73:e9 brd ff:ff:ff:ff:ff:ff inet6 fe80::fc16:3eff:fea0:73e9/64 scope link valid_lft forever preferred_lft forever 303: genev_sys_6081: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 65000 qdisc noqueue master ovs-system state UNKNOWN group default qlen 1000 link/ether 0e:3d:1a:8e:af:a1 brd ff:ff:ff:ff:ff:ff inet6 fe80::c3d:1aff:fe8e:afa1/64 scope link valid_lft forever preferred_lft forever 51: tap39f52589-60@if2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master ovs-system state UP group default qlen 1000 link/ether e2:d5:84:ae:57:ba brd ff:ff:ff:ff:ff:ff link-netns ovnmeta-39f52589-63fa-4fd0-a57f-8dc8b23864b8 inet6 fe80::e0d5:84ff:feae:57ba/64 scope link valid_lft forever preferred_lft forever 55: tapf16dff19-90@if2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master ovs-system state UP group default qlen 1000 link/ether a6:08:cd:e1:22:c9 brd ff:ff:ff:ff:ff:ff link-netns ovnmeta-f16dff19-98f6-4e08-9961-87fc457c7c89 inet6 fe80::a408:cdff:fee1:22c9/64 scope link valid_lft forever preferred_lft forever 56: fg-98d5b897-a4: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether e2:07:39:ef:fa:84 brd ff:ff:ff:ff:ff:ff
Note: in my case the OVS environment had DVR enabled and OVN migration scenario was "DVR to DVR"
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (Red Hat OpenStack Platform 16.1.9 bug fix and enhancement advisory), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2022:8795