Description of problem:
When trying to sync repository cache metadata in mageia-cauldron mock chroot by using dnf command, an error is raised. The problem might not actually be caused by dnf.

Version-Release number of selected component (if applicable):
dnf-2.6.3-1

How reproducible:
always

Steps to Reproduce:
<mock-chroot> sh-4.3# dnf -vvv info dnf
Failed to set locale, defaulting to C
Loaded plugins: builddep, config-manager, copr, debug, debuginfo-install, download, generate_completion_cache, needs-restarting, playground, repoclosure, repograph, repomanage, reposync
DNF version: 2.6.3
cachedir: /var/cache/dnf
Cannot download 'https://www.mageia.org/mirrorlist/?release=cauldron&arch=x86_64&section=core&repo=release': Cannot prepare internal mirrorlist: Curl error (35): SSL connect error for https://www.mageia.org/mirrorlist/?release=cauldron&arch=x86_64&section=core&repo=release [error:0B06A041:x509 certificate routines:build_chain:malloc failure].
Failed to synchronize cache for repo 'mageia-cauldron', disabling.
Installed Packages
Name         : dnf
...