tr_qid
logit(LOG_DEBUG, 0, "rcount:%d, qid:%06x", rcount, qry->tr_qid);
if (oqid == qry->tr_qid) {
oqid = qry->tr_qid;
query->tr_qid = arc4random();
if (rquery->tr_qid != query->tr_qid) continue;
printf("mtrace %d: %s to %s reply-to %s", tr->tr_qid,
printf("mresp %d: %s to %s reply-to %s", tr->tr_qid,