ovs-vsctl init (the command is not effect)

To initialize the Open vSwitch database if not yet initialized. If the database has already been initialized, the init command will have no effect.

ovs-vsctl show

Print a brief overview of database contents.

ovs-vsctl emer-reset

Reset the configurarion to clean state. Using this command can delete fail mode, OpenFLow controllers, port mirrors, NetFlow, sFlow, and IPFIX configuration.