diff --git a/src/etcp.c b/src/etcp.c
index e282a76..9760aec 100644
--- a/src/etcp.c
+++ b/src/etcp.c
@@ -748,8 +748,8 @@ void etcp_output_try_assembly(struct ETCP_CONN* etcp) {
         if (queue_data_put(etcp->output_queue, (struct ll_entry*)rx_pkt, next_expected_id) == 0) {
             delivered_bytes += rx_pkt->ll.len;
             delivered_count++;
-            DEBUG_TRACE(DEBUG_CATEGORY_ETCP, "[%s] moved packet id=%u to output_queue", etcp->log_name,
-                       next_expected_id);
+            DEBUG_TRACE(DEBUG_CATEGORY_ETCP, "[%s] moved packet id=%u to output_queue (qlen=%d)", etcp->log_name,
+                       next_expected_id, etcp->output_queue->count);
         } else {
             DEBUG_ERROR(DEBUG_CATEGORY_ETCP, "[%s] failed to add packet id=%u to output_queue", etcp->log_name,
                        next_expected_id);
diff --git a/src/pkt_normalizer.c b/src/pkt_normalizer.c
index 2028405..66b4097 100644
--- a/src/pkt_normalizer.c
+++ b/src/pkt_normalizer.c
@@ -291,6 +291,7 @@ static void pn_flush_cb(void* arg) {
 
 // Internal: Unpacker callback (assembles fragments into original packets)
 static void pn_unpacker_cb(struct ll_queue* q, void* arg) {
+    DEBUG_TRACE(DEBUG_CATEGORY_NORMALIZER, "");
     struct PKTNORM* pn = (struct PKTNORM*)arg;
     if (!pn) return;
 
@@ -302,13 +303,14 @@ static void pn_unpacker_cb(struct ll_queue* q, void* arg) {
         uint8_t* payload = frag->ll.dgram;
         uint16_t len = frag->ll.len;
         uint16_t ptr = 0;
-        // DEBUG_INFO(DEBUG_CATEGORY_NORMALIZER, "pn_unpacker: unpacking fragment len=%d", len);
+        DEBUG_DEBUG(DEBUG_CATEGORY_NORMALIZER, "unpacking fragment len=%d", len);
 
         while (ptr < len) {
             if (!pn->recvpart) {
                 // Need length header for new packet
                 if (len - ptr < 2) {
                     // Incomplete header, reset
+                    DEBUG_ERROR(DEBUG_CATEGORY_NORMALIZER, "reset state");
                     pn_unpacker_reset_state(pn);
                     break;
                 }
@@ -318,7 +320,7 @@ static void pn_unpacker_cb(struct ll_queue* q, void* arg) {
 
                 pn->recvpart = ll_alloc_lldgram(part_size);
                 if (!pn->recvpart) {
-                    DEBUG_ERROR(DEBUG_CATEGORY_NORMALIZER, "pn_unpacker_cb: ll_alloc_lldgram failed");
+                    DEBUG_ERROR(DEBUG_CATEGORY_NORMALIZER, "ll_alloc_lldgram failed");
                     break;
                 }
                 pn->recvpart->len = 0;
@@ -327,12 +329,13 @@ static void pn_unpacker_cb(struct ll_queue* q, void* arg) {
             uint16_t rem = pn->recvpart->memlen - pn->recvpart->len;// осталось собрать байт
             uint16_t avail = len - ptr;// доступно байт сейчас
             uint16_t cp = (rem < avail) ? rem : avail;
-            // DEBUG_INFO(DEBUG_CATEGORY_NORMALIZER, "pn_unpacker: copy: remain=%d avail=%d in_ptr=%d out_ptr=%d", rem, avail, ptr, pn->recvpart->len);
+            DEBUG_DEBUG(DEBUG_CATEGORY_NORMALIZER, "copy: remain=%d avail=%d in_ptr=%d out_ptr=%d", rem, avail, ptr, pn->recvpart->len);
             memcpy(pn->recvpart->dgram + pn->recvpart->len, payload + ptr, cp);
             pn->recvpart->len += cp;
             ptr += cp;
 
             if (pn->recvpart->len == pn->recvpart->memlen) {
+                DEBUG_DEBUG(DEBUG_CATEGORY_NORMALIZER, "unpacked dgram (size=%d)", pn->recvpart->len);
                 queue_data_put(pn->output, pn->recvpart, 0);
                 pn->recvpart = NULL;
             }