diff --git a/main.go b/main.go
index 3a08fef..ba7bad7 100644
--- a/main.go
+++ b/main.go
@@ -347,6 +347,8 @@ func main() {
     }
 
     for _, netRoutine := range routines {
-        netRoutine(tnet)
+        go netRoutine(tnet)
     }
+
+    select{} // sleep etnerally
 }