ext_21_KAS: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 179.2.21.2  netmask 255.255.255.0  broadcast 179.2.21.255
        inet6 fe80::84e3:e7ff:fe48:2b3a  prefixlen 64  scopeid 0x20<link>
        ether 86:e3:e7:48:2b:3a  txqueuelen 1000  (Ethernet)
        RX packets 168  bytes 12656 (12.3 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 228  bytes 17277 (16.8 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0