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::b44b:38ff:fe69:bcc1  prefixlen 64  scopeid 0x20<link>
        ether b6:4b:38:69:bc:c1  txqueuelen 1000  (Ethernet)
        RX packets 206  bytes 14972 (14.6 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 172  bytes 12891 (12.5 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0