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: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000 link/ether XXX brd XXX altname wlp0s20f3 inet XXX brd XXX scope global dynamic noprefixroute wlan0 valid_lft 84371sec preferred_lft 84371sec inet6 XXX scope global temporary dynamic valid_lft 252sec preferred_lft 252sec inet6 XXX scope global dynamic mngtmpaddr noprefixroute valid_lft 252sec preferred_lft 252sec inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever 3: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000 link/ether XXX brd XXX altname enp0s20f0u4 inet XXX brd XXX scope global dynamic noprefixroute eth0 valid_lft 84363sec preferred_lft 84363sec inet6 XXX scope global temporary dynamic valid_lft 252sec preferred_lft 252sec inet6 XXX scope global dynamic mngtmpaddr noprefixroute valid_lft 252sec preferred_lft 252sec inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever