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 valid_lft forever preferred_lft forever 2: enp1s0f1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast 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 604532sec preferred_lft 604532sec inet6 XXX scope global dynamic noprefixroute valid_lft 63260sec preferred_lft 63260sec inet6 XXX scope global dynamic noprefixroute valid_lft 149920sec preferred_lft 63520sec inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever