Merge pull request #2209 from TheBlueMatt/2023-04-better-discon-err-msg

Clarify the error message when we disconnect a peer

Author: TheBlueMatt

lightning/src/ln/peer_handler.rs

@@ -1056,7 +1056,7 @@ impl<Descriptor: SocketDescriptor, CM: Deref, RM: Deref, OM: Deref, L: Deref, CM
 		match self.do_read_event(peer_descriptor, data) {
 			Ok(res) => Ok(res),
 			Err(e) => {
-				log_trace!(self.logger, "Peer sent invalid data or we decided to disconnect due to a protocol error");
+				log_trace!(self.logger, "Disconnecting peer due to a protocol error (usually a duplicate connection).");
 				self.disconnect_event_internal(peer_descriptor);
 				Err(e)
 			}
@@ -2103,7 +2103,7 @@ impl<Descriptor: SocketDescriptor, CM: Deref, RM: Deref, OM: Deref, L: Deref, CM
 						if let Some((node_id, _)) = peer.their_node_id {
 							self.node_id_to_descriptor.lock().unwrap().remove(&node_id);
 						}
-						self.do_disconnect(descriptor, &*peer, "ping timeout");
+						self.do_disconnect(descriptor, &*peer, "ping/handshake timeout");
 					}
 				}
 			}