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: enp34s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000 link/ether XXX brd XXX altname enx047c165b81ae 3: enp42s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether XXX brd XXX altname enx047c165b81ad inet XXX brd XXX scope global dynamic noprefixroute enp42s0 valid_lft 5182sec preferred_lft 5182sec inet6 XXX scope global temporary dynamic valid_lft 86400sec preferred_lft 72000sec inet6 XXX scope global dynamic mngtmpaddr noprefixroute valid_lft 86400sec preferred_lft 72000sec inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever