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: enp196s0f3u1u1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq state UP group default qlen 1000 link/ether XXX brd XXX inet XXX brd XXX scope global dynamic noprefixroute enp196s0f3u1u1 valid_lft 6966sec preferred_lft 6966sec inet6 XXX scope global dynamic noprefixroute valid_lft 86398sec preferred_lft 14398sec inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever 3: wlp1s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000 link/ether XXX brd XXX permaddr XXX