Warning message seen at the logs "InvalidFrameProtocolException: Invalid version of beats protocol: 71"

Hi All,
Good morning
at the logstash logs I can see some warning message, since it is warning nothing wrong , but I am posting the message here for giving the feedback

8.3.13:21374] Handling exception: org.logstash.beats.InvalidFrameProtocolException: Invalid version of beats protocol: 71
[2019-10-30T04:27:21,311][WARN ][io.netty.channel.DefaultChannelPipeline][main] An exceptionCaught() event was fired, and it reached at the tail of the pipeline. It usually means the last handler in the pipeline did not handle the exception.
io.netty.handler.codec.DecoderException: org.logstash.beats.InvalidFrameProtocolException: Invalid version of beats protocol: 71
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:472) ~[netty-all-4.1.30.Final.jar:4.1.30.Final]
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:278) ~[netty-all-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) ~[netty-all-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.AbstractChannelHandlerContext.access$600(AbstractChannelHandlerContext.java:38) ~[netty-all-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.AbstractChannelHandlerContext$7.run(AbstractChannelHandlerContext.java:353) ~[netty-all-4.1.30.Final.jar:4.1.30.Final]
at io.netty.util.concurrent.DefaultEventExecutor.run(DefaultEventExecutor.java:66) ~[netty-all-4.1.30.Final.jar:4.1.30.Final]
at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:897) [netty-all-4.1.30.Final.jar:4.1.30.Final]
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) [netty-all-4.1.30.Final.jar:4.1.30.Final]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]
Caused by: org.logstash.beats.InvalidFrameProtocolException: Invalid version of beats protocol: 71
at org.logstash.beats.Protocol.version(Protocol.java:22) ~[logstash-input-beats-6.0.3.jar:?]
at org.logstash.beats.BeatsParser.decode(BeatsParser.java:62) ~[logstash-input-beats-6.0.3.jar:?]
at io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:502) ~[netty-all-4.1.30.Final.jar:4.1.30.Final]
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:441) ~[netty-all-4.1.30.Final.jar:4.1.30.Final]
... 8 more
[2019-10-30T04:27:21,353][INFO ][org.logstash.beats.BeatsHandler][main] [local: 192.168.3.191:5044, remote: 192.168.3.13:21374] Handling exception: org.logstash.beats.InvalidFrameProtocolException: Invalid version of beats protocol: 69
[2019-10-30T04:27:21,356][WARN ][io.netty.channel.DefaultChannelPipeline][main] An exceptionCaught() event was fired, and it reached at the tail of the pipeline. It usually means the last handler in the pipeline did not handle the exception.
io.netty.handler.codec.DecoderException: org.logstash.beats.InvalidFrameProtocolException: Invalid version of beats protocol: 69
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:472) ~[netty-all-4.1.30.Final.jar:4.1.30.Final]
at io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:405) ~[netty-all-4.1.30.Final.jar:4.1.30.Final]
at io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:372) ~[netty-all-4.1.30.Final.jar:4.1.30.Final]
at io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:355) ~[netty-all-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:245) ~[netty-all-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.AbstractChannelHandlerContext.access$300(AbstractChannelHandlerContext.java:38) ~[netty-all-4.1.30.Final.jar:4.1.30.Final]
at io.netty.channel.AbstractChannelHandlerContext$4.run(AbstractChannelHandlerContext.java:236) ~[netty-all-4.1.30.Final.jar:4.1.30.Final]
at io.netty.util.concurrent.DefaultEventExecutor.run(DefaultEventExecutor.java:66) ~[netty-all-4.1.30.Final.jar:4.1.30.Final]
at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:897) [netty-all-4.1.30.Final.jar:4.1.30.Final]
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) [netty-all-4.1.30.Final.jar:4.1.30.Final]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]
Caused by: org.logstash.beats.InvalidFrameProtocolException: Invalid version of beats protocol: 69
at org.logstash.beats.Protocol.version(Protocol.java:22) ~[logstash-input-beats-6.0.3.jar:?]
at org.logstash.beats.BeatsParser.decode(BeatsParser.java:62) ~[logstash-input-beats-6.0.3.jar:?]
at io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:502) ~[netty-all-4.1.30.Final.jar:4.1.30.Final]
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:441) ~[netty-all-4.1.30.Final.jar:4.1.30.Final]
... 10 more
[2019-10-30T04:27:22,428][INFO ][org.logstash.beats.BeatsHandler][main] [local: 192.168.3.191:5044, remote: 192.168.3.14:18803] Handling exception: org.logstash.beats.InvalidFrameProtocolException: Invalid version of beats protocol: 71
[2019-10-30T04:27:22,432][WARN ][io.netty.channel.DefaultChannelPipeline][main] An exceptionCaught() event was fired, and it reached at the tail of the pipeline. It usually means the last handler in the pipeline did not handle the exception.
io.netty.handler.codec.DecoderException: org.logstash.beats.InvalidFrameProtocolException: Invalid version of beats protocol: 71
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:472) ~[netty-all-4.1.30.Final.jar:4.1.30.Final]
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:278)

Kibana version:
7.4.1
Elasticsearch version:
7.4.1
APM Server version:
7.4.1
**filebeat version **
7.4.1
APM Agent language and version:
NA
Logstash version
7.4.1-1
Thanks
Joseph John

It might be related to Invalid version of beats protocol?

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