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 15: eth0@if16: mtu 1450 qdisc noqueue state UP group default qlen 1000 link/ether 00:16:3e:da:5d:45 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet 252.49.151.102/8 metric 100 brd 252.255.255.255 scope global dynamic eth0 valid_lft 2412sec preferred_lft 2412sec inet6 fe80::216:3eff:feda:5d45/64 scope link valid_lft forever preferred_lft forever