Leapp In-Place Upgrade: how to check DNF is working with the Satellite repositories from the client side?

Issue

leapp fails with "Unable to install RHEL 8 userspace packages".

2022-09-19 13:33:16.333 DEBUG    PID: 18908 leapp.workflow.TargetTransactionFactsCollection.target_userspace_creator: No match for argument: dnf
2022-09-19 13:33:16.340 DEBUG    PID: 18908 leapp.workflow.TargetTransactionFactsCollection.target_userspace_creator: No match for argument: dnf-command(config-manager)
2022-09-19 13:33:16.347 DEBUG    PID: 18908 leapp.workflow.TargetTransactionFactsCollection.target_userspace_creator: Error: Unable to find a match: dnf dnf-command(config-manager)
2022-09-19 13:33:16.387 DEBUG    PID: 18908 leapp.workflow.TargetTransactionFactsCollection.target_userspace_creator: Command ['systemd-nspawn', '--register=no', '--quiet', '-D', '/var/lib/leapp/scratch/mounts/root_/system_overlay', ..., 'dnf', 'install', '-y', '--nogpgcheck', '--setopt=module_platform_id=platform:el8', '--setopt=keepcache=1', '--releasever', u'8.6', '--installroot', '/el8target', '--disablerepo', '*', '--enablerepo', u'rhel-8-for-x86_64-baseos-rpms', '--enablerepo', u'codeready-builder-for-rhel-8-x86_64-rpms', '--enablerepo', u'rhel-8-for-x86_64-appstream-rpms', 'dnf', 'dnf-command(config-manager)', '-v'] failed with exit code 1.