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 mq state UP group default qlen 1000 link/ether XXX brd XXX altname enp1s0f0 inet XXX brd XXX scope global dynamic eth0 valid_lft 604795sec preferred_lft 604795sec inet6 XXX scope link valid_lft forever preferred_lft forever 3: eth1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN group default qlen 1000 link/ether XXX brd XXX altname enp1s0f1 4: eth2: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN group default qlen 1000 link/ether XXX brd XXX altname enp5s0f0 5: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000 link/ether XXX brd XXX altname enp5s0f1 inet XXX metric 100 brd XXX scope global eth3 valid_lft forever preferred_lft forever inet6 XXX scope link valid_lft forever preferred_lft forever