[EKS] [Add-Ons]: consistent configuration options across aws provided addons (and add missing ones for kube-proxy)

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Tell us about your request
I would like to see consistent configuration parameters across aws provided eks add-ons.
Currently i want to configure all eks add-ons to use json logging, for which i either need to use the additionalArgs for a given sidecar container OR the loggingFormat properties for the affected container of a add-on (ebs-csi-driver).

For kube-proxy both options are missing and i want to see them, as it does indeed support json logging if you specify --logging-format=json.

Which service(s) is this request for?
EKS

Tell us about the problem you're trying to solve. What are you trying to do, and why is it hard?
It is hard because there is no effective option, besides adjusting the deployment after the add-on rollout. However on each update i would need to adjust it again (and remember to do so).

Are you currently working around this issue?
Not

Additional context

Attachments
AWS Support case: 173589159400126