diff --git a/src/etcp_connections.c b/src/etcp_connections.c
index 81f189cd..fc2598a1 100644
--- a/src/etcp_connections.c
+++ b/src/etcp_connections.c
@@ -1126,7 +1126,7 @@ void etcp_connections_read_callback_socket(socket_t sock, void* arg) {
     // Try INIT decryption (for incoming connection requests)
     // This handles: no link found, or link without session, or normal decrypt failed
     if (recv_len <= SC_PUBKEY_ENC_SIZE + UDP_SC_HDR_SIZE) {
-        DEBUG_ERROR(DEBUG_CATEGORY_CONNECTION, "packet too small for init, size=%zd", recv_len);
+        DEBUG_ERROR(DEBUG_CATEGORY_CONNECTION, "packet too small for init, size=%zd from %s", recv_len, sockaddr_storage_to_str(&addr).str);
         errorcode=1;
         goto ec_fr;
     }
@@ -1141,19 +1141,19 @@ void etcp_connections_read_callback_socket(socket_t sock, void* arg) {
     sc_obfuscate_pubkey(salt, e_sock->instance->my_keys.public_key, encrypted_pubkey, decrypted_pubkey);
     
     if (sc_set_peer_public_key(&sc, decrypted_pubkey, SC_PEER_PUBKEY_BIN)!=SC_OK) { 
-        DEBUG_ERROR(DEBUG_CATEGORY_CRYPTO, "failed to set peer public key during init");
+        DEBUG_ERROR(DEBUG_CATEGORY_CRYPTO, "failed to set peer public key during init, from %s", sockaddr_storage_to_str(&addr).str);
         errorcode=2; 
         goto ec_fr; 
     }
     if (sc_decrypt(&sc, data, recv_len - SC_PUBKEY_ENC_SIZE, (uint8_t*)&pkt->timestamp, &pkt_len)) {
-        DEBUG_ERROR(DEBUG_CATEGORY_CRYPTO, "failed to decrypt init packet");
+        DEBUG_ERROR(DEBUG_CATEGORY_CRYPTO, "failed to decrypt init packet, from %s", sockaddr_storage_to_str(&addr).str);
         errorcode=3; 
         goto ec_fr; 
     }
     
     // INIT decryption succeeded - process as new incoming connection
     if (pkt_len<3) {
-        DEBUG_ERROR(DEBUG_CATEGORY_CONNECTION, "too short packet");
+        DEBUG_ERROR(DEBUG_CATEGORY_CONNECTION, "too short packet, from %s", sockaddr_storage_to_str(&addr).str);
         errorcode=7;
         goto ec_fr; 
         }
@@ -1547,7 +1547,7 @@ process_decrypted:
     return;
 
 ec_fr:
-    DEBUG_ERROR(DEBUG_CATEGORY_ETCP, "etcp_connections_read_callback: error %d", errorcode);
+    DEBUG_ERROR(DEBUG_CATEGORY_ETCP, "etcp_connections_read_callback: error %d, from %s", errorcode, sockaddr_storage_to_str(&addr).str);
     e_sock->pkt_format_errors++;
     e_sock->errorcode=errorcode;
     memory_pool_free(e_sock->instance->pkt_pool, pkt);