1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback XXX brd XXX inet XXX scope host lo valid_lft forever preferred_lft forever inet6 XXX scope host noprefixroute valid_lft forever preferred_lft forever 2: enp3s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000 link/ether XXX brd XXX 3: wlp4s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000 link/ether XXX brd XXX permaddr XXX inet XXX brd XXX scope global dynamic noprefixroute wlp4s0 valid_lft 41490sec preferred_lft 41490sec inet6 XXX scope global dynamic noprefixroute valid_lft 38921sec preferred_lft 38921sec inet6 XXX scope global noprefixroute valid_lft forever preferred_lft forever inet6 XXX scope global noprefixroute valid_lft forever preferred_lft forever inet6 XXX scope global dynamic noprefixroute valid_lft 22425sec preferred_lft 22425sec inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever 4: named-nAcer: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1420 qdisc noqueue state UNKNOWN group default qlen 1000 link/none inet XXX scope global named-nAcer valid_lft forever preferred_lft forever 5: docker0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default link/ether XXX brd XXX inet XXX brd XXX scope global docker0 valid_lft forever preferred_lft forever inet6 XXX scope link valid_lft forever preferred_lft forever 6: br-6838ef1affbe: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default link/ether XXX brd XXX inet XXX brd XXX scope global br-6838ef1affbe valid_lft forever preferred_lft forever 7: br-19eb985fe14d: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default link/ether XXX brd XXX inet XXX brd XXX scope global br-19eb985fe14d valid_lft forever preferred_lft forever 9: veth955c6fe@if8: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master docker0 state UP group default link/ether XXX brd XXX link-netnsid 0 inet6 XXX scope link valid_lft forever preferred_lft forever