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: enp0s20f0u9u3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 1000 link/ether XXX brd XXX altname enx0a4f27badda5 inet XXX metric 512 brd XXX scope global dynamic enp0s20f0u9u3 valid_lft 3077sec preferred_lft 3077sec inet XXX brd XXX scope global secondary dynamic noprefixroute enp0s20f0u9u3 valid_lft 3078sec preferred_lft 3078sec inet6 XXX scope link valid_lft forever preferred_lft forever 3: eno1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000 link/ether XXX brd XXX altname enp0s31f6 altname enxf4b5204ead35