rabbit_writer: ignore unknown messages (backport #9994) (backport #9996)

[mergify]

This is an automatic backport of pull request #9996 done by Mergify.

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[mohanrajanna15]

I want to make sure, that the fix to this will ignore closing connection TCP socket whatever and prints what the message was?

[mohanrajanna15]

[process question] Helloo Team,

How can we speed up the fix and have it delivered quickly cause this is us causing a tremendous business impact to our customers?
we do not have an official professional services contract with RabbitMQ. Will that make a difference
any information on this will be very helpful.. TIA.

[michaelklishin]

@mohanrajanna15 I find it ironic that a non-paying user is pushing us to produce a release urgently because your customers are affected

[michaelklishin]

https://github.com/rabbitmq/rabbitmq-server/releases/tag/v3.11.27

[mohanrajanna15]

@michaelklishin Apologies, we will work on how to engage you all on a professional contract very soon. Along that line do you know if this fix will be part of 3.12.x and 3.13.x as well and any ETA on when those versions will be released?

[michaelklishin]

Take a look at the milestone and the backport labels on a pull request of interest. Everything that's in v3.11.x is almost always also in v3.12.x and in main.

[michaelklishin]

In this PR specifically, there is a link to #9996 which has a milestone set and a link to another PR for main.

Our team does not make ETA promises.