1: lo: mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 2: enp1s0: mtu 1500 qdisc fq_codel state UP mode DEFAULT group default qlen 1000 link/ether fa:16:3e:7b:90:ee brd ff:ff:ff:ff:ff:ff 3: fan-252: mtu 1450 qdisc noqueue state UP mode DEFAULT group default qlen 1000 link/ether 1e:41:9f:71:c1:2a brd ff:ff:ff:ff:ff:ff 4: ftun0: mtu 1450 qdisc noqueue master fan-252 state UNKNOWN mode DEFAULT group default qlen 1000 link/ether 1e:41:9f:71:c1:2a brd ff:ff:ff:ff:ff:ff 5: lxdbr0: mtu 1500 qdisc noqueue state DOWN mode DEFAULT group default qlen 1000 link/ether 00:16:3e:e3:30:9c brd ff:ff:ff:ff:ff:ff