There is a new pull request by Gottox against master on the void-packages repository

https://github.com/Gottox/void-packages libnftnl-fix-devel-dep
https://github.com/void-linux/void-packages/pull/34026

libnftnl: add libmnl as a dep to the devel subpkg
pkgconfig complains about this otherwise.
See: /usr/lib/pkgconfig/libnftnl.pc

> Requires.private: libmnl


A patch file from https://github.com/void-linux/void-packages/pull/34026.patch is attached