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: enp6s0: <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 enp6s0 valid_lft 85220sec preferred_lft 85220sec inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever 6: enp0s29u1u4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 1000 link/ether XXX brd XXX inet XXX brd XXX scope global dynamic noprefixroute enp0s29u1u4 valid_lft 2042sec preferred_lft 2042sec inet6 XXX scope global dynamic noprefixroute valid_lft 3301sec preferred_lft 3301sec inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever