% ifconfig -a4
lo0: flags=1000849 mtu 8232 index 1
        inet 120.10.0.1 netmask ff000000 
le0: flags=1000843 mtu 1500 index 2
        inet 120.46.86.54 netmask ffffff00 broadcast 120.46.86.255
        ether 8:0:20:56:a8