message: Modify log level to debug
diff: @@ -119,7 +119,7 @@ void CodecClient::onData(Buffer::Instance& data) {
  close();
  protocol_error = true;
  } catch (PrematureResponseException& e) {
  - ENVOY_CONN_LOG(info, "premature response", *connection_);
  + ENVOY_CONN_LOG(debug, "premature response", *connection_);
  close();
  // Don't count 408 responses where we have no active requests as protocol errors
  