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 noprefixroute valid_lft forever preferred_lft forever 3: wlan0: <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 wlan0 valid_lft 11062sec preferred_lft 11062sec inet6 XXX scope global temporary dynamic valid_lft 604102sec preferred_lft 85533sec inet6 XXX scope global dynamic mngtmpaddr valid_lft 2591765sec preferred_lft 604565sec inet6 XXX scope link valid_lft forever preferred_lft forever