def __initialize_manager(self):
		self.__config_mgr	= self.__manager.load_config_manager()

		self.__backend_mgr   = self.__manager.load_backend_manager()
		self.__bootstrap_mgr = self.__manager.load_bootstrap_manager()
		self.__navigator_mgr = self.__manager.load_navigator_manager()
		self.__context_mgr  = self.__manager.load_context_manager()
		self.__action_mgr	= self.__manager.load_action_manager()
		self.__launcher_mgr  = self.__manager.load_launcher_manager()
def query_vpp_config(self):
        ds = list(self._test.vapi.vpp.details_iter(
            self._test.vapi.ip_path_mtu_get))

        for d in ds:
            if self.nh == str(d.pmtu.nh) \
               and self.table_id == d.pmtu.table_id \
               and self.pmtu == d.pmtu.path_mtu:
                return True
        return False