1: lo: 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 27: eth0@if28: mtu 1450 qdisc noqueue state UP group default qlen 1000 link/ether 00:16:3e:fc:f9:fd brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet 252.53.1.181/8 metric 100 brd 252.255.255.255 scope global dynamic eth0 valid_lft 3098sec preferred_lft 3098sec inet6 fe80::216:3eff:fefc:f9fd/64 scope link valid_lft forever preferred_lft forever