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: wlp52s0: <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 wlp52s0 valid_lft 604461sec preferred_lft 604461sec inet6 XXX scope global temporary dynamic valid_lft 196268sec preferred_lft 85520sec inet6 XXX scope global dynamic mngtmpaddr noprefixroute valid_lft 196268sec preferred_lft 109868sec inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever