F40 VM Hangs During Boot: Job dev-disk-by\x2uuid

Looks like /dev/vda was the key. This seems to fix it:

dracut --force --kver 6.10.12-200.fc40.x86_64 --add-drivers "virtio_blk"

Or build all the kernels with --regenerate-all, the key is --add-drivers "virtio_blk".