$ mount -t none -o ro,bind /mnt/koji/packages/ /var/lib/mock/dist-an7-updates-build-51414-23498/root/mnt/koji/packages/
$ mount -t none -o rw,bind /mnt/koji/output/anolis-7-20211103.3 /var/lib/mock/dist-an7-updates-build-51414-23498/root/mnt/koji/output/anolis-7-20211103.3