There is an updated pull request by CameronNemo against master on the void-packages repository

https://github.com/CameronNemo/void-packages sysctl
https://github.com/void-linux/void-packages/pull/5002

base-files: lower lexicographic priority of sysctl file
Why is this necessary?

The defaults should not overwrite values specified by packages or admins. Thus, they must have a reasonably low lexicographical priority.

A patch file from https://github.com/void-linux/void-packages/pull/5002.patch is attached