$ mount -t none -o bind /mnt/koji/ /var/lib/mock/eln-build-60918063-6585767/root/mnt/koji
$ mount -t none -o bind /mnt/koji/compose/eln/Fedora-eln-20250704.n.5 /var/lib/mock/eln-build-60918063-6585767/root/mnt/koji/compose/eln/Fedora-eln-20250704.n.5