/* Build query */
log_query_init(&q);
log_query_hosts(&q, 1, NODE_OBC);
log_query_levels(&q, 3, LOG_DEBUG, LOG_INFO, LOG_WARNING);
log_query_events(&q, 2, EVENT_OBC_BOOT, EVENT_OBC_REBOOT);
log_query_time(&q, &from, &to);
log_query_limit(&q, 10);