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 2: eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000 link/ether XXX brd XXX altname enp4s0 3: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000 link/ether XXX brd XXX altname wlp3s0 inet XXX brd XXX scope global dynamic noprefixroute wlan0 valid_lft 86226sec preferred_lft 86226sec inet6 XXX scope global dynamic noprefixroute valid_lft 2591827sec preferred_lft 604627sec inet6 XXX scope global temporary dynamic valid_lft 604627sec preferred_lft 85986sec inet6 XXX scope global dynamic mngtmpaddr noprefixroute valid_lft 2591993sec preferred_lft 604793sec inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever