The patch is not in s390-tools 2.12, so its needed to apply it on top of 2.12 that is the target for focal. zkey is also supported on eoan, but not on older releases like xenial or bionic. Hence I've added the relevant targets.
The patch is not in s390-tools 2.12, so its needed to apply it on top of 2.12 that is the target for focal. zkey is also supported on eoan, but not on older releases like xenial or bionic.
Hence I've added the relevant targets.