[root@controller ~]# 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: ens192: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq master ovs-system state UP group default qlen 1000
    link/ether 00:50:56:88:18:f3 brd ff:ff:ff:ff:ff:ff
    altname enp11s0
    inet6 fe80::250:56ff:fe88:18f3/64 scope link
       valid_lft forever preferred_lft forever
3: ens224: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether 00:50:56:88:38:7c brd ff:ff:ff:ff:ff:ff
    altname enp19s0
    inet 172.18.4.11/24 brd 172.18.4.255 scope global noprefixroute ens224
       valid_lft forever preferred_lft forever
    inet6 fe80::ed41:bb04:3777:769b/64 scope link noprefixroute
       valid_lft forever preferred_lft forever
4: ovs-system: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether ee:29:59:5b:94:49 brd ff:ff:ff:ff:ff:ff
5: br-provider: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether 00:50:56:88:18:f3 brd ff:ff:ff:ff:ff:ff
10: br-int: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether 8e:d2:87:02:98:4f brd ff:ff:ff:ff:ff:ff