ovs-vsctl list-br

To list all existing real and fake bridges, use the ovs-vsctl list-br command.

ovs-vsctl [options] [--real | --fake] list-br

options	See the output of ovs-vsctl --help command, also reproduced ovs−vsctl Commands.
--real	List only real bridges.
--fake	List only fake bridges.

The following example lists bridges, where only a single real bridge br0 exists:

admin@Switch$ovs-vsctl list-br
br0
admin@Switch$ovs-vsctl --fake list-br
admin@Switch$ovs-vsctl --real list-br
br0