$ mount -t none -o bind /mnt/koji/ /var/lib/mock/dist-circle8-build-43055-8530/root/mnt/koji
$ mount -t none -o bind /mnt/koji/compose/8/Circle-8-20211011.1 /var/lib/mock/dist-circle8-build-43055-8530/root/mnt/koji/compose/8/Circle-8-20211011.1