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:32:df:18 brd ff:ff:ff:ff:ff:ff
    altname enp0s3
    altname ens3
    inet 10.0.0.249/24 brd 10.0.0.255 scope global dynamic noprefixroute eth0
       valid_lft 86234sec preferred_lft 86234sec
    inet6 fe80::f816:3eff:fe32:df18/64 scope link 
       valid_lft forever preferred_lft forever
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether fa:16:3e:d0:27:45 brd ff:ff:ff:ff:ff:ff
    altname enp0s6
    altname ens6
    inet 10.20.0.254/24 brd 10.20.0.255 scope global dynamic noprefixroute eth1
       valid_lft 86267sec preferred_lft 86267sec
    inet6 fe80::a7c7:13f1:4526:966b/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever