matrix_21: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 21.0.198.1  netmask 255.255.255.0  broadcast 21.0.198.255
        inet6 fe80::ac34:25ff:feda:9dfe  prefixlen 64  scopeid 0x20<link>
        ether ae:34:25:da:9d:fe  txqueuelen 1000  (Ethernet)
        RX packets 281  bytes 26430 (25.8 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 492  bytes 43016 (42.0 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0