public void startReadTimeoutHandler(Duration readTimeout) {
        getChannel()
                .pipeline()
                .addBefore(
                        DefaultOriginChannelInitializer.ORIGIN_NETTY_LOGGER,
                        READ_TIMEOUT_HANDLER_NAME,
                        new ReadTimeoutHandler(readTimeout.toMillis(), TimeUnit.MILLISECONDS));
    }
Can not be put in pool
zuul-core/src/main/java/com/netflix/zuul/netty/connectionpool/PooledConnection.java