root@compute-001:~# brctl show
bridge name	bridge id		STP enabled	interfaces
qbr3cdef149-2e		8000.627966bd5e86	no		qvb3cdef149-2e
							tap3cdef149-2e
qbr5d46d0a7-05		8000.e25cf4d6fea3	no		qvb5d46d0a7-05
							tap5d46d0a7-05
qbrb9968315-6e		8000.befd91093673	no		qvbb9968315-6e
							tapb9968315-6e
virbr0		8000.000000000000	yes