diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPOfferService.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPOfferService.java
index b228fb2d5716a..7d5d05bac54d7 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPOfferService.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPOfferService.java
@@ -777,7 +777,7 @@ assert getBlockPoolId().equals(bp) :
           ((BlockRecoveryCommand)cmd).getRecoveringBlocks());
       break;
     case DatanodeProtocol.DNA_ACCESSKEYUPDATE:
-      LOG.info("DatanodeCommand action: DNA_ACCESSKEYUPDATE");
+      LOG.info("DatanodeCommand action from active NN {}: DNA_ACCESSKEYUPDATE", nnSocketAddress);
       if (dn.isBlockTokenEnabled) {
         dn.blockPoolTokenSecretManager.addKeys(
             getBlockPoolId(),