How to install xt_comment module on ZimaOS

Hi,

I have been trying for a while to get the NordVPN docker instance working on my Zimablade running ZimaOS and the support staff from NordVPN have told me this. I was told there was an error message “Warning: Extension comment revision 0 not supported, missing kernel module?” meaning I needed the xt_comment module.
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It seem like I need to install or have support for the xt_comment module however it is not available in the Buildroot system at the moment.
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How can I get the xt_comment module running on the ZimaBlade so I can run the docker instance?