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: wlp0s12f0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000 link/ether XXX brd XXX inet XXX brd XXX scope global dynamic noprefixroute wlp0s12f0 valid_lft 163368sec preferred_lft 163368sec inet6 XXX scope global temporary dynamic valid_lft 300sec preferred_lft 300sec inet6 XXX scope global dynamic mngtmpaddr noprefixroute valid_lft 300sec preferred_lft 300sec inet6 XXX scope global dynamic noprefixroute valid_lft 178695sec preferred_lft 178695sec inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever