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: enp17s0f3u1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether XXX brd XXX inet XXX brd XXX scope global dynamic noprefixroute enp17s0f3u1 valid_lft 85911sec preferred_lft 85911sec inet6 XXX scope global dynamic noprefixroute valid_lft 2591518sec preferred_lft 604318sec inet6 XXX scope global dynamic noprefixroute valid_lft 3413sec preferred_lft 3413sec inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever