$ mount -t none -o bind /mnt/koji/ /var/lib/mock/f42-build-59019829-6570293/root/mnt/koji
$ mount -t none -o bind /mnt/koji/compose/iot/Fedora-IoT-42-20250422.0 /var/lib/mock/f42-build-59019829-6570293/root/mnt/koji/compose/iot/Fedora-IoT-42-20250422.0