$ mount -t none -o bind /mnt/koji/ /var/lib/mock/dist-oc8-build-18468-3091/root/mnt/koji/
$ mount -t none -o bind /mnt/koji/compose/8/opencloudos-8-20220704.0 /var/lib/mock/dist-oc8-build-18468-3091/root/mnt/koji/compose/8/opencloudos-8-20220704.0