bridge name	bridge id		STP enabled	interfaces
br1		8000.664dda221060	no		eth1
							vct34
							vct37
							vct40
br2		8000.7e73a2ecf81f	no		eth2
							vct35
							vct38
br3		8000.4e7ee017c9a2	no		eth3
							vct33
							vct36
							vct39
virbr0		8000.000000000000	yes		
