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

https://github.com/CameronNemo/void-packages lxc-3.1.0
https://github.com/void-linux/void-packages/pull/11500

lxc: update to 3.1.0.


A patch file from https://github.com/void-linux/void-packages/pull/11500.patch is attached