h36sa@wiggler ~ $ sudo brctl show
bridge name     bridge id               STP enabled     interfaces
xenbr0          8000.feffffffffff       no              vif24.0
h36sa@wiggler ~ $ sudo xm list
Name                                        ID   Mem VCPUs      State   Time(s)
Domain-0                                     0   237     1     r-----   4050.6
ttylinux-xen2-0                             24    32     1     -b----      2.1