$ /usr/bin/mergerepo_c --koji -b /mnt/koji/repos/module-idm-DL1-8040020210618040341-59accb8e-build/11811/x86_64/blocklist -a x86_64 -o /tmp/koji/tasks/8264/78264/repo --arch-expand -g /mnt/koji/repos/module-idm-DL1-8040020210618040341-59accb8e-build/11811/groups/comps.xml -r file:///tmp/koji/tasks/8264/78264/repo_11811_premerge/ -r http://build.openanolis.org/kojifiles/repos/anolis-8-local-repo-external/x86_64/ -r http://mirrors.aliyun.com/epel/8/Everything/x86_64/
C_CREATEREPOLIB: Critical: cr_get_remote_metadata: curl_easy_perform failed: Couldn't resolve host name: Could not resolve host: mirrors.aliyun.com
Warning: Downloading of repodata failed: http://mirrors.aliyun.com/epel/8/Everything/x86_64/