-> ifconfig
lo0     Link type:Local loopback
        inet 127.0.0.1  mask 255.255.255.255
        inet6 unicast fe80::1%lo0  prefixlen 64  automatic
        inet6 unicast ::1  prefixlen 128
        UP RUNNING LOOPBACK MULTICAST NOARP ALLMULTI
        MTU:1500  metric:1  VR:0  ifindex:1
        RX packets:19 mcast:0 errors:0 dropped:0
        TX packets:19 mcast:0 errors:0
        collisions:0 unsupported proto:0
        RX bytes:1428  TX bytes:1428

cpsw0   Link type:Ethernet  HWaddr 34:08:e1:70:a3:fd
        capabilities: VLAN_MTU
        inet 10.10.61.223  mask 255.255.255.0  broadcast 10.10.61.255
        inet6 unicast fe80::3608:e1ff:fe70:a3fd%cpsw0  prefixlen 64  automatic
        UP RUNNING SIMPLEX BROADCAST MULTICAST
        MTU:1500  metric:1  VR:0  ifindex:2
        RX packets:0 mcast:0 errors:0 dropped:0
        TX packets:7 mcast:5 errors:0
        collisions:0 unsupported proto:0
        RX bytes:0  TX bytes:832

value = 0 = 0x0
->