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: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether XXX brd XXX inet XXX metric 100 brd XXX scope global dynamic enp3s0 valid_lft 2502sec preferred_lft 2502sec inet6 XXX scope global dynamic noprefixroute valid_lft 81701sec preferred_lft 81701sec inet6 XXX scope global dynamic mngtmpaddr noprefixroute valid_lft 86376sec preferred_lft 71976sec inet6 XXX scope link valid_lft forever preferred_lft forever 3: enp4s0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether XXX brd XXX