ixp_81: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 180.81.0.32  netmask 255.255.255.0  broadcast 180.81.0.255
        inet6 fe80::68b3:36ff:fe4c:f78a  prefixlen 64  scopeid 0x20<link>
        ether 6a:b3:36:4c:f7:8a  txqueuelen 1000  (Ethernet)
        RX packets 454  bytes 32761 (31.9 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 454  bytes 34791 (33.9 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0