docs: private void logNetworkErrorSample(ReplicationTask task, Throwable e) {
          long now = System.currentTimeMillis();
          if (now - lastNetworkErrorTime > 10000) {
              lastNetworkErrorTime = now;
              StringBuilder sb = new StringBuilder();
              sb.append("Network level connection to peer ").append(peerId);
              if (task != null) {
                  sb.append(" for task ").append(task.getTaskName());
              }
              sb.append("; retrying after delay");
              logger.error(sb.toString(), e);
          }
      }