grp_21    Link encap:Ethernet  HWaddr 56:37:fa:06:92:06  
          inet6 addr: fe80::5437:faff:fe06:9206/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:65 errors:0 dropped:0 overruns:0 frame:0
          TX packets:76 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:3818 (3.8 KB)  TX bytes:4380 (4.3 KB)