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 ae:b5:5d:07:65:d0 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 11: eth0@if12: mtu 1450 qdisc noqueue state UP group default qlen 1000 link/ether 00:16:3e:77:f4:e5 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet 252.129.45.209/8 metric 100 brd 252.255.255.255 scope global dynamic eth0 valid_lft 2677sec preferred_lft 2677sec inet6 fe80::216:3eff:fe77:f4e5/64 scope link valid_lft forever preferred_lft forever