$ mount -t none -o bind /mnt/koji/ /var/lib/mock/dist-oc9-build-57781-15655/root/mnt/koji/
$ mount -t none -o bind /mnt/koji/compose/9/OpenCloudOS-9.0-20231225.1 /var/lib/mock/dist-oc9-build-57781-15655/root/mnt/koji/compose/9/OpenCloudOS-9.0-20231225.1