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: enp0s31f6: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000 link/ether XXX brd XXX 3: wwp0s20f0u6: <BROADCAST,MULTICAST,NOARP> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether XXX brd XXX 4: 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 863666sec preferred_lft 863666sec inet6 XXX scope global dynamic noprefixroute valid_lft 6868sec preferred_lft 3268sec inet6 XXX scope global dynamic noprefixroute valid_lft 6868sec preferred_lft 3268sec inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever 5: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default link/ether XXX brd XXX inet XXX brd XXX scope global docker0 valid_lft forever preferred_lft forever 6: br-f00cef7412b6: <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-f00cef7412b6 valid_lft forever preferred_lft forever