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: wlp2s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000 link/ether XXX brd XXX inet XXX brd XXX scope global dynamic noprefixroute wlp2s0 valid_lft 172660sec preferred_lft 172660sec inet6 XXX scope global dynamic noprefixroute valid_lft 345465sec preferred_lft 345465sec inet6 XXX scope global temporary dynamic valid_lft 300sec preferred_lft 300sec inet6 XXX scope global dynamic mngtmpaddr noprefixroute valid_lft 300sec preferred_lft 300sec inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever