Set multicast network interface to eth0

qjs_wrapper.c

@@ -171,8 +171,10 @@ static JSValue js_run_pubsub(JSContext *ctx, JSValueConst this_val,
 
     UA_String transportProfile =
         UA_STRING("http://opcfoundation.org/UA-Profile/Transport/pubsub-udp-uadp");
-    UA_NetworkAddressUrlDataType networkAddressUrl =
-        {UA_STRING_NULL , UA_STRING(urlBuffer)};
+
+    UA_NetworkAddressUrlDataType networkAddressUrl;
+    networkAddressUrl.networkInterface = UA_STRING("eth0");
+    networkAddressUrl.url              = UA_STRING(urlBuffer);
 
     if (JS_ToInt32(ctx, &id, argv[2]))
         return JS_EXCEPTION;