VLAN tagged undercloud provisioning interface is not supported for deploying overcloud

Issue

• The overcloud discovery/introspection and deployment will not work with the following in undercloud.conf:

[DEFAULT]
..
local_interface = eno49.212
...

and ifconfig :

[root@osp7 ~]# ifconfig
eno49: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet6 fe80::217:a4ff:fe77:34  prefixlen 64  scopeid 0x20<link>
        ether 00:17:a4:77:00:34  txqueuelen 1000  (Ethernet)
        RX packets 320815  bytes 100610973 (95.9 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 87576  bytes 9018011 (8.6 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
eno49.212: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 172.16.12.10  netmask 255.255.255.0  broadcast 172.16.12.255
        inet6 fe80::217:a4ff:fe77:34  prefixlen 64  scopeid 0x20<link>
        ether 00:17:a4:77:00:34  txqueuelen 0  (Ethernet)
        RX packets 320734  bytes 96115351 (91.6 MiB)
        RX errors 0  dropped 20  overruns 0  frame 0
        TX packets 87268  bytes 9017363 (8.5 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0