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: ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether fa:16:3e:c2:b2:ac brd ff:ff:ff:ff:ff:ff
    altname enp0s3
    inet 162.253.55.104/24 metric 100 brd 162.253.55.255 scope global dynamic ens3
       valid_lft 85918sec preferred_lft 85918sec
    inet6 fe80::f816:3eff:fec2:b2ac/64 scope link dynamic mngtmpaddr noprefixroute 
       valid_lft 2591970sec preferred_lft 604770sec