rds_vlog
rds_vlog(name, RDS_LOG_LINTR, fmt, ap);
rds_vlog(name, RDS_LOG_L5, fmt, ap);
rds_vlog(name, RDS_LOG_L4, fmt, ap);
rds_vlog(name, RDS_LOG_L3, fmt, ap);
rds_vlog(name, RDS_LOG_L2, fmt, ap);
rds_vlog(name, RDS_LOG_L1, fmt, ap);
rds_vlog(name, RDS_LOG_L0, fmt, ap);