Change to HashMap as ServiceController is not Comparable

controller/src/main/java/org/jboss/as/controller/ContainerStateMonitor.java

@@ -235,7 +235,7 @@ private synchronized ContainerStateChangeReport createContainerStateChangeReport
             }
         }
 
-        final Map<ServiceController<?>, String> currentFailedControllers = new TreeMap<ServiceController<?>, String>(failedControllers);
+        final Map<ServiceController<?>, String> currentFailedControllers = new HashMap<ServiceController<?>, String>(failedControllers);
 
         previousMissingDepSet = new HashSet<ServiceName>(missingDeps.keySet());