$ mkudfiso -v "Volume Label" . | tail -n +2 > udf-cd-mkudfiso-20100208.img
mkudfiso 20100208 creates UDF images without valid LVID (and LVIDIU), so it
is a good candidate for testing fallback code for ID_FS_VERSION.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>