Comment 0 for bug 2031370

netplan cannot create interfaces with the same VLAN tag.

Due to the fact that netplan creates a bridge instead of an OVS port for creating OVS VLAN interfaces, it is unable to create VLAN interfaces with the same tag.

root@node-1:/opt/ceph-binnary-deploy-0.5.1# systemctl status netplan-ovs-br_test.service
● netplan-ovs-br_test.service - OpenVSwitch configuration for br_test
     Loaded: loaded (/run/systemd/system/netplan-ovs-br_test.service; enabled-runtime; vendor preset: enabled)
     Active: failed (Result: exit-code) since Tue 2023-08-15 13:57:57 CST; 54s ago
    Process: 3750298 ExecStart=/usr/bin/ovs-vsctl --may-exist add-br br_test br_bond1 304 (code=exited, status=1/FAILURE)
   Main PID: 3750298 (code=exited, status=1/FAILURE)

Aug 15 13:57:57 node-1.mgmt.osk systemd[1]: Starting OpenVSwitch configuration for br_test...
Aug 15 13:57:57 node-1.mgmt.osk ovs-vsctl[3750298]: ovs|00001|vsctl|INFO|Called as /usr/bin/ovs-vsctl --may-exist add-br br_test br_bond1 304
Aug 15 13:57:57 node-1.mgmt.osk ovs-vsctl[3750298]: ovs|00002|db_ctl_base|ERR|bridge br_bond1 already has a child VLAN bridge br_tunnel on VLAN 304
Aug 15 13:57:57 node-1.mgmt.osk ovs-vsctl[3750298]: ovs-vsctl: bridge br_bond1 already has a child VLAN bridge br_tunnel on VLAN 304
Aug 15 13:57:57 node-1.mgmt.osk systemd[1]: netplan-ovs-br_test.service: Main process exited, code=exited, status=1/FAILURE
Aug 15 13:57:57 node-1.mgmt.osk systemd[1]: netplan-ovs-br_test.service: Failed with result 'exit-code'.
Aug 15 13:57:57 node-1.mgmt.osk systemd[1]: Failed to start OpenVSwitch configuration for br_test.