message: config: print "loading XXX cluster(s)" during initialization.
diff: @@ -53,6 +53,7 @@ void MainImpl::initialize(const envoy::config::bootstrap::v2::Bootstrap& bootstr
  server.secretManager().addStaticSecret(secrets[i]);
  }
  + ENVOY_LOG(info, "loading {} cluster(s)", bootstrap.static_resources().clusters().size());
  cluster_manager_ = cluster_manager_factory.clusterManagerFromProto(
  bootstrap, server.stats(), server.threadLocal(), server.runtime(), server.random(),
  server.localInfo(), server.accessLogManager(), server.admin());
  