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: ens6: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000 link/ether XXX brd XXX altname enp55s4 3: enp1s0: <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 enp1s0 valid_lft 86096sec preferred_lft 86096sec inet6 XXX scope global temporary dynamic valid_lft 604492sec preferred_lft 85755sec inet6 XXX scope global dynamic mngtmpaddr noprefixroute valid_lft 2591997sec preferred_lft 604797sec inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever