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: enp8s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether XXX brd XXX inet XXX brd XXX scope global dynamic noprefixroute enp8s0 valid_lft 6224sec preferred_lft 6224sec inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever 6: ipv6leakintrf0: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000 link/ether XXX brd XXX inet6 XXX scope global noprefixroute valid_lft forever preferred_lft forever inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever 8: proton0: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1420 qdisc noqueue state UNKNOWN group default qlen 1000 link/none inet XXX scope global noprefixroute proton0 valid_lft forever preferred_lft forever