lttng_ht_lookup(consumer_data.stream_ht,
(void *)((unsigned long) stream->key), &iter);
node = lttng_ht_iter_get_node_ulong(&iter);
lttng_ht_lookup(consumer_data.stream_ht,
(void *)((unsigned long) stream->key), &iter);
node = lttng_ht_iter_get_node_ulong(&iter);