Index: uspace/drv/nic/ne2k/dp8390.c
===================================================================
--- uspace/drv/nic/ne2k/dp8390.c	(revision 2ff150e21c3194a4c528808fab068bd99797fded)
+++ uspace/drv/nic/ne2k/dp8390.c	(revision f9d3dd42a7fa78eec449a5bdb934e3fbe205b4f8)
@@ -410,4 +410,5 @@
 	ne2k_t *ne2k = (ne2k_t *) nic_get_specific(nic_data);
 
+	printf("ne2k_send()\n");
 	assert(ne2k->probed);
 	assert(ne2k->up);
@@ -421,6 +422,14 @@
 	if ((size < ETH_MIN_PACK_SIZE) || (size > ETH_MAX_PACK_SIZE_TAGGED)) {
 		fibril_mutex_unlock(&ne2k->sq_mutex);
+		printf("ne2k_send() - checks failed size=%zu (min %zu, max %zu)\n",
+		    size, ETH_MIN_PACK_SIZE, ETH_MAX_PACK_SIZE_TAGGED);
 		return;
 	}
+
+	printf("ne2k_send() - uploading\n");
+	size_t i;
+	for (i = 0; i < size; i++)
+		printf("%02x ", ((uint8_t *)data)[i]);
+	printf("\n");
 
 	/* Upload the frame to the ethernet card */