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: enp0s31f6: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether XXX brd XXX inet XXX metric 512 brd XXX scope global dynamic enp0s31f6 valid_lft 597690sec preferred_lft 597690sec 3: wlp0s20f0u12: <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 wlp0s20f0u12 valid_lft 856924sec preferred_lft 856924sec inet XXX brd XXX scope global secondary dynamic wlp0s20f0u12 valid_lft 856923sec preferred_lft 856923sec inet6 XXX scope global dynamic mngtmpaddr noprefixroute valid_lft 5281sec preferred_lft 1681sec inet6 XXX scope global dynamic noprefixroute valid_lft 6867sec preferred_lft 3267sec inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever