parameters: (bridge_name)
docstring: Checks is the bridge exists using ovs-vsctl command
      :param bridge_name: name of the bridge to check
      :return: boolean
docstring_summary: Checks is the bridge exists using ovs-vsctl command
      :param bridge_name: name of the bridge to check
      :return: boolean
docstring_tokens: Checks is the bridge exists using ovs - vsctl command : param bridge_name : name of the bridge to check : return : boolean
function: def ovs_bridge_exists(bridge_name):
      """
      Checks is the bridge exists using ovs-vsctl command
      :param bridge_name: name of the bridge to check
      :return: boolean
      """
      rv = os.system("sudo ovs-vsctl br-exists %s" % bridge_name)
      if rv == 0:
          return True
      else:
          return False
function_tokens: def ovs_bridge_exists ( bridge_name ) : rv = os . system ( "sudo ovs-vsctl br-exists %s" % bridge_name ) if rv == 0 : return True else : return False