ext_21_KAS: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 179.21.23.23  netmask 255.255.255.0  broadcast 179.21.23.255
        inet6 fe80::1806:77ff:fead:553d  prefixlen 64  scopeid 0x20<link>
        ether 1a:06:77:ad:55:3d  txqueuelen 1000  (Ethernet)
        RX packets 302  bytes 26890 (26.2 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 204  bytes 14514 (14.1 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0