diff --git a/src/runtime/error.rs b/src/runtime/error.rs
index 1b9e983a1b5a2300892640918f7503a4090aeea6..e9392fb9ce6521357cbaab2f40e6936a99a7c9b7 100644
--- a/src/runtime/error.rs
+++ b/src/runtime/error.rs
@@ -51,3 +51,8 @@ pub enum GottenError {
 pub enum NextBatchError {
     NotConnected,
 }
+
+#[derive(Debug, Eq, PartialEq)]
+pub enum NewNetPortError {
+    AlreadyConnected,
+}