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: enp14s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000 link/ether XXX brd XXX inet XXX brd XXX scope global dynamic noprefixroute enp14s0 valid_lft 86084sec preferred_lft 86084sec inet6 XXX scope global temporary dynamic valid_lft 604485sec preferred_lft 85662sec inet6 XXX scope global mngtmpaddr noprefixroute valid_lft forever preferred_lft forever inet6 XXX scope global temporary dynamic valid_lft 604485sec preferred_lft 85662sec inet6 XXX scope global mngtmpaddr noprefixroute valid_lft forever preferred_lft forever inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever 3: enp0s31f6: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000 link/ether XXX brd XXX