update log content  (#13540)

* update log content

* update log content

* check style
diff --git a/pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/impl/ModularLoadManagerImpl.java b/pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/impl/ModularLoadManagerImpl.java
index 0ce207a..08dbb1e 100644
--- a/pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/impl/ModularLoadManagerImpl.java
+++ b/pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/impl/ModularLoadManagerImpl.java
@@ -608,7 +608,8 @@
                         return;
                     }
 
-                    log.info("[Overload shedder] Unloading bundle: {} from broker {}", bundle, broker);
+                    log.info("[{}] Unloading bundle: {} from broker {}",
+                            strategy.getClass().getSimpleName(), bundle, broker);
                     try {
                         pulsar.getAdminClient().namespaces().unloadNamespaceBundle(namespaceName, bundleRange);
                         loadData.getRecentlyUnloadedBundles().put(bundle, System.currentTimeMillis());