$ mount -t none -o bind /mnt/koji/ /var/lib/mock/dist-oc8-build-26666-7730/root/mnt/koji/
$ mount -t none -o bind /mnt/koji/compose/8/opencloudos-8-20220825.2 /var/lib/mock/dist-oc8-build-26666-7730/root/mnt/koji/compose/8/opencloudos-8-20220825.2