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 2: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether f6:8b:6b:80:6a:21 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global docker0 valid_lft forever preferred_lft forever 13: eth0@if14: mtu 1450 qdisc noqueue state UP group default qlen 1000 link/ether 00:16:3e:37:9d:6e brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet 252.27.216.29/8 metric 100 brd 252.255.255.255 scope global dynamic eth0 valid_lft 1927sec preferred_lft 1927sec inet6 fe80::216:3eff:fe37:9d6e/64 scope link valid_lft forever preferred_lft forever