$ mount -t none -o bind /mnt/koji/ /var/lib/mock/dist-oc9-build-210916-80663/root/mnt/koji/
$ mount -t none -o bind /mnt/koji/compose/9/9.4/OpenCloudOS-9.4-20250915.0 /var/lib/mock/dist-oc9-build-210916-80663/root/mnt/koji/compose/9/9.4/OpenCloudOS-9.4-20250915.0