$ mount -t none -o bind /mnt/koji/ /var/lib/mock/dist-oc8-donghua-build-125113-74738/root/mnt/koji/
$ mount -t none -o bind /mnt/koji/compose/8/donghua/DonghuaNTOS-8.10-20250318.0 /var/lib/mock/dist-oc8-donghua-build-125113-74738/root/mnt/koji/compose/8/donghua/DonghuaNTOS-8.10-20250318.0