ixp_81: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 180.81.0.5  netmask 255.255.255.0  broadcast 180.81.0.255
        inet6 fe80::484f:71ff:fe6a:1a8f  prefixlen 64  scopeid 0x20<link>
        ether 4a:4f:71:6a:1a:8f  txqueuelen 1000  (Ethernet)
        RX packets 539  bytes 41615 (40.6 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 504  bytes 39690 (38.7 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0