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: wlp0s20f3: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000 link/ether XXX brd XXX permaddr XXX 3: enp0s13f0u1u4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000 link/ether XXX brd XXX inet XXX brd XXX scope global dynamic noprefixroute enp0s13f0u1u4 valid_lft 73631sec preferred_lft 73631sec inet6 XXX scope global temporary dynamic valid_lft 82347sec preferred_lft 73410sec inet6 XXX scope global dynamic mngtmpaddr noprefixroute valid_lft 82347sec preferred_lft 82347sec inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever