HDFS-17404. Add NN Socket Address to log when processing command from active NN (#6598)

* Add nnSocketAddress to log when processing command from active nn

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BPOfferService.java

@@ -778,7 +778,7 @@ class BPOfferService {
           ((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(),