ext_21_KAS: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 179.21.22.22  netmask 255.255.255.0  broadcast 179.21.22.255
        inet6 fe80::ec84:afff:fe1d:4d43  prefixlen 64  scopeid 0x20<link>
        ether ee:84:af:1d:4d:43  txqueuelen 1000  (Ethernet)
        RX packets 31  bytes 2641 (2.5 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 30  bytes 2697 (2.6 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0