$ mount -t none -o bind /mnt/koji/ /var/lib/mock/dist-oc8-donghua-build-125027-74670/root/mnt/koji/
$ mount -t none -o bind /mnt/koji/compose/8/donghua/DonghuaNTOS-2025-20250317.0 /var/lib/mock/dist-oc8-donghua-build-125027-74670/root/mnt/koji/compose/8/donghua/DonghuaNTOS-2025-20250317.0