ifconfig -a                                                                                     ~
eth0      Link encap:Ethernet  HWaddr 00:1A:4D:4F:EC:39  
          inet addr:10.10.10.20  Bcast:10.10.10.31  Mask:255.255.255.224
          inet6 addr: fe80::21a:4dff:fe4f:ec39/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:2467 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2025 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:203420 (198.6 Kb)  TX bytes:422287 (412.3 Kb)
          Interrupt:16 Base address:0x2000 

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)

xenbr0    Link encap:Ethernet  HWaddr 00:1A:4D:4F:EC:39  
          inet addr:10.10.10.20  Bcast:10.10.10.31  Mask:255.255.255.224
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:1323 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1051 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:84392 (82.4 Kb)  TX bytes:232288 (226.8 Kb)


brctl show                                                                                      ~
bridge name     bridge id               STP enabled     interfaces
xenbr0          8000.001a4d4fec39       no              eth0