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: enp0s21f0u2u4c2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000 link/ether XXX brd XXX altname enxf8e43b3a01df inet XXX brd XXX scope global dynamic noprefixroute enp0s21f0u2u4c2 valid_lft 85119sec preferred_lft 85119sec inet6 XXX scope link noprefixroute valid_lft forever preferred_lft forever 3: wlp0s12f0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000 link/ether XXX brd XXX permaddr XXX altname wlx94e6f76f8380