diff --git a/core/java/android/net/LinkProperties.java b/core/java/android/net/LinkProperties.java
index eedc372d25..52b238ffd9 100644
--- a/core/java/android/net/LinkProperties.java
+++ b/core/java/android/net/LinkProperties.java
@@ -290,7 +290,7 @@ public class LinkProperties implements Parcelable {
             }
             stacked += "] ";
         }
-        return ifaceName + linkAddresses + routes + dns + domainName + proxy + stacked;
+        return "{" + ifaceName + linkAddresses + routes + dns + domainName + proxy + stacked + "}";
     }
 
     /**