diff --git a/core/net/mac/tsch/tsch-queue.c b/core/net/mac/tsch/tsch-queue.c
index e8ebe7aa3..41f319b1c 100644
--- a/core/net/mac/tsch/tsch-queue.c
+++ b/core/net/mac/tsch/tsch-queue.c
@@ -202,6 +202,7 @@ tsch_queue_flush_nbr_queue(struct tsch_neighbor *n)
       /* Free packet queuebuf */
       tsch_queue_free_packet(p);
     }
+    PRINTF("TSCH-queue: packet is deleted packet=%p\n", p);
   }
 }
 /*---------------------------------------------------------------------------*/
@@ -253,6 +254,8 @@ tsch_queue_add_packet(const linkaddr_t *addr, mac_callback_t sent, void *ptr)
             /* Add to ringbuf (actual add committed through atomic operation) */
             n->tx_array[put_index] = p;
             ringbufindex_put(&n->tx_ringbuf);
+            PRINTF("TSCH-queue: packet is added put_index=%u, packet=%p\n",
+                   put_index, p);
             return p;
           } else {
             memb_free(&packet_memb, p);
@@ -288,6 +291,7 @@ tsch_queue_remove_packet_from_queue(struct tsch_neighbor *n)
       /* Get and remove packet from ringbuf (remove committed through an atomic operation */
       int16_t get_index = ringbufindex_get(&n->tx_ringbuf);
       if(get_index != -1) {
+        PRINTF("TSCH-queue: packet is removed, get_index=%u\n", get_index);
         return n->tx_array[get_index];
       } else {
         return NULL;