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: wnano: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 2312 qdisc mq state UP group default qlen 1000 link/ether XXX brd XXX altname wlp3s0f3u1u1 inet XXX brd XXX scope global dynamic noprefixroute wnano valid_lft 3203sec preferred_lft 3203sec inet6 XXX scope global dynamic noprefixroute valid_lft 239450sec preferred_lft 66650sec inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever 3: proton0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 500 link/none inet XXX brd XXX scope global noprefixroute proton0 valid_lft forever preferred_lft forever inet6 XXX scope link stable-privacy valid_lft forever preferred_lft forever