dev_info->default_txportconf.nb_queues = 1;
dev_info->default_rxportconf.ring_size = 256;
dev_info->default_txportconf.ring_size = 256;
dev_info->default_txportconf.nb_queues = 1;
dev_info->default_rxportconf.ring_size = 256;
dev_info->default_txportconf.ring_size = 256;