DS_DBG_RCVQ
DS_DBG_RCVQ(CE_NOTE, "%s: user data queue overflow",
DS_DBG_RCVQ(CE_NOTE, "%s: signal EINTR", __func__);
DS_DBG_RCVQ(CE_NOTE, "%s: unreg pending", __func__);
DS_DBG_RCVQ(CE_NOTE, "%s: user data queue overflow",
DS_DBG_RCVQ(CE_NOTE, "%s: user data enqueued msglen: %ld",