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: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000 link/ether XXX brd XXX altname enp2s0 inet XXX brd XXX scope global eth0 valid_lft forever preferred_lft forever inet6 XXX scope global temporary dynamic valid_lft 6971sec preferred_lft 1571sec inet6 XXX scope global dynamic mngtmpaddr valid_lft 6971sec preferred_lft 1571sec inet6 XXX scope link valid_lft forever preferred_lft forever 3: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether XXX brd XXX altname eno2 altname enp0s31f6 4: wlan1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether XXX brd XXX altname wlo1 altname wlp0s20f3