log message changes (#3658)

Signed-off-by: Sally MacFarlane <sally.macfarlane@consensys.net>

ethereum/eth/src/main/java/org/hyperledger/besu/ethereum/eth/manager/task/AbstractRetryingPeerTask.java

@@ -93,7 +93,7 @@ public abstract class AbstractRetryingPeerTask<T> extends AbstractEthTask<T> {
               if (error != null) {
                 handleTaskError(error);
               } else {
-                // If we get a partial success reset the retry counter.
+                // If we get a partial success, reset the retry counter.
                 if (!isEmptyResponse.test(peerResult)) {
                   retryCount = 0;
                 }
@@ -114,7 +114,7 @@ public abstract class AbstractRetryingPeerTask<T> extends AbstractEthTask<T> {
 
     if (cause instanceof NoAvailablePeersException) {
       LOG.info(
-          "No useful peer available, waiting for more peers: {}",
+          "No useful peer found, checking remaining current peers for usefulness: {}",
           ethContext.getEthPeers().peerCount());
       // Wait for new peer to connect
       final WaitForPeerTask waitTask = WaitForPeerTask.create(ethContext, metricsSystem);

ethereum/eth/src/main/java/org/hyperledger/besu/ethereum/eth/sync/fastsync/FastSyncTargetManager.java

@@ -64,7 +64,9 @@ class FastSyncTargetManager extends SyncTargetManager {
     final BlockHeader pivotBlockHeader = fastSyncState.getPivotBlockHeader().get();
     final Optional<EthPeer> maybeBestPeer = ethContext.getEthPeers().bestPeerWithHeightEstimate();
     if (!maybeBestPeer.isPresent()) {
-      LOG.info("No sync target, waiting for peers: {}", ethContext.getEthPeers().peerCount());
+      LOG.info(
+          "No sync target, checking current peers for usefulness: {}",
+          ethContext.getEthPeers().peerCount());
       return completedFuture(Optional.empty());
     } else {
       final EthPeer bestPeer = maybeBestPeer.get();