VERIFY(TAILQ_FIRST(&temp_nwk_wq_head) != NULL);
TAILQ_FOREACH_SAFE(nwk_item, &temp_nwk_wq_head, nwk_wq_link, nwk_item_next) {
nwk_item->func(nwk_item->arg);
VERIFY(TAILQ_FIRST(&temp_nwk_wq_head) != NULL);
TAILQ_FOREACH_SAFE(nwk_item, &temp_nwk_wq_head, nwk_wq_link, nwk_item_next) {
nwk_item->func(nwk_item->arg);