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: enp3s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000 link/ether XXX brd XXX 5: wlp0s20u9u1: <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 wlp0s20u9u1 valid_lft 82850sec preferred_lft 82850sec inet6 XXX scope global dynamic noprefixroute valid_lft 5456sec preferred_lft 1856sec inet6 XXX scope global dynamic noprefixroute valid_lft 7078sec preferred_lft 3478sec inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever 6: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000 link/ether XXX brd XXX inet XXX brd XXX scope global virbr0 valid_lft forever preferred_lft forever