$ mount -t none -o bind /mnt/koji/ /var/lib/mock/eln-build-59025077-6570429/root/mnt/koji
$ mount -t none -o bind /mnt/koji/compose/eln/Fedora-eln-20250422.n.2 /var/lib/mock/eln-build-59025077-6570429/root/mnt/koji/compose/eln/Fedora-eln-20250422.n.2