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: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether fa:16:3e:c7:40:8d brd ff:ff:ff:ff:ff:ff
    altname enp0s3
    altname ens3
    inet 38.129.56.57/24 brd 38.129.56.255 scope global dynamic noprefixroute eth0
       valid_lft 41466sec preferred_lft 41466sec
    inet6 fe80::f816:3eff:fec7:408d/64 scope link 
       valid_lft forever preferred_lft forever
3: ovs-system: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether 7a:b3:d9:4c:23:e8 brd ff:ff:ff:ff:ff:ff
4: br-ex: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
    link/ether 52:6b:c3:70:29:4c brd ff:ff:ff:ff:ff:ff
    inet 172.24.4.1/24 scope global br-ex
       valid_lft forever preferred_lft forever
    inet6 fe80::506b:c3ff:fe70:294c/64 scope link 
       valid_lft forever preferred_lft forever
5: br-int: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether 8a:62:39:94:1d:c9 brd ff:ff:ff:ff:ff:ff