Kindly tell me why this error is shown in a fresh 3 node cluster of elk stack
*2024-08-06T19:47:07,586][WARN ][o.e.h.AbstractHttpServerTransport] [elk-stack-node1.kseb.in] caught exception while handling client http traffic, closing connection Netty4HttpChannel{localAddress=/10.0.30.94:9200, remoteAddress=/10.0.30.160:35388}*
*io.netty.handler.codec.DecoderException: javax.net.ssl.SSLHandshakeException: Received fatal alert: bad_certificate*
* at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:499) ~[?:?]*
* at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:290) ~[?:?]*
* at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[?:?]*
* at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[?:?]*
* at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[?:?]*
* at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410) ~[?:?]*
* at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440) ~[?:?]*
* at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[?:?]*
* at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919) ~[?:?]*
* at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:166) ~[?:?]*
* at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:788) ~[?:?]*
* at io.netty.channel.nio.NioEventLoop.processSelectedKeysPlain(NioEventLoop.java:689) ~[?:?]*
* at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:652) ~[?:?]*
* at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562) ~[?:?]*
* at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[?:?]*
* at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[?:?]*
* at java.lang.Thread.run(Thread.java:1570) ~[?:?]*
*Caused by: javax.net.ssl.SSLHandshakeException: Received fatal alert: bad_certificate*
* at sun.security.ssl.Alert.createSSLException(Alert.java:130) ~[?:?]*
* at sun.security.ssl.Alert.createSSLException(Alert.java:117) ~[?:?]*
* at sun.security.ssl.TransportContext.fatal(TransportContext.java:365) ~[?:?]*
* at sun.security.ssl.Alert$AlertConsumer.consume(Alert.java:287) ~[?:?]*
* at sun.security.ssl.TransportContext.dispatch(TransportContext.java:204) ~[?:?]*
* at sun.security.ssl.SSLTransport.decode(SSLTransport.java:172) ~[?:?]*
* at sun.security.ssl.SSLEngineImpl.decode(SSLEngineImpl.java:736) ~[?:?]*
* at sun.security.ssl.SSLEngineImpl.readRecord(SSLEngineImpl.java:691) ~[?:?]*
* at sun.security.ssl.SSLEngineImpl.unwrap(SSLEngineImpl.java:506) ~[?:?]*
* at sun.security.ssl.SSLEngineImpl.unwrap(SSLEngineImpl.java:482) ~[?:?]*
* at javax.net.ssl.SSLEngine.unwrap(SSLEngine.java:679) ~[?:?]*
* at io.netty.handler.ssl.SslHandler$SslEngineType$3.unwrap(SslHandler.java:310) ~[?:?]*
* at io.netty.handler.ssl.SslHandler.unwrap(SslHandler.java:1445) ~[?:?]*
* at io.netty.handler.ssl.SslHandler.decodeJdkCompatible(SslHandler.java:1338) ~[?:?]*
* at io.netty.handler.ssl.SslHandler.decode(SslHandler.java:1387) ~[?:?]*
* at io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:529) ~[?:?]*
* at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:468) ~[?:?]*
* ... 16 more*