Fix error

rust/src/net/protocol.rs

@@ -35,7 +35,17 @@ impl NetworkManager {
                         cli.bind_mut().publish_message(
                             format!(
                                 "Disconnected from: {}, reason: {}",
-                                connection.address, reason
+                                connection.address,
+                                match &reason {
+                                    teanet::package::CloseReason::InvalidIdentifier(ident) => {
+                                        format!(
+                                            "Checksum mismatch: {} != {}",
+                                            ident,
+                                            NetworkManager::identifier()
+                                        )
+                                    }
+                                    _ => reason.to_string(),
+                                }
                             ),
                             CliColor::Info,
                         );