There's a closed pull request on the void-packages repository

grub: grub.post: set ZPOOL_VDEV_NAME_PATH=YES
https://github.com/void-linux/void-packages/pull/14801

Description:
Not setting this results in the output of 'zpool status' being
misparsed.

See https://github.com/zfsonlinux/grub/issues/5