Pessoal eu estou tentando conectar o Jenkins com o Docker porém sempre que eu tento fazer a conexão no jenkins ao testar da o retorno abaixo:

Connection refused: /54.160.21.57:2376
java.net.ConnectException: Connection refused
Caused: io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /54.160.21.57:2376
    at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
    at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:714)
    at io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:327)
    at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:340)
    at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:636)
    at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:583)
    at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:500)
    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:462)
    at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:897)
    at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
    at java.lang.Thread.run(Thread.java:748)

Estou rodando o ambiente do curso na AWS e as regras estão liberadas (ingress e egress) alguém pode me ajudar?