Comment 11 for bug 1993503

"but also I really think cc_grub_dpkg should not overwrite an existing debconf entry for grub-pc/install_devices".

What's with pre-build images, we are building our images with Packer and since they are build on real hardware, there is already a grub-pc/install_devices set. virt-sysprep does not remove this entries as well (which would make sense).

So currently cloud-init is taking care about removing the old entry from the image build host and fixing it to the correct one on the "real" hardware. If cloud-init would no longer changing existing entries it would be required for everyone who uses pre-build images to remove this images before taking the image - which could end up in more confusion.