ext_21_KAS: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet6 fe80::c009:d2ff:fee8:5daf  prefixlen 64  scopeid 0x20<link>
        ether c2:09:d2:e8:5d:af  txqueuelen 1000  (Ethernet)
        RX packets 14  bytes 1068 (1.0 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 9  bytes 886 (886.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0