mod_auth_kerb is retired in Fedora, mod_gssapi is the way to go
pr forthcoming
Commit c18c6bbf fixes this issue
Metadata Update from @tkopecek: - Issue set to the milestone: 1.13
This issue has been migrated to Fedora Forge: https://forge.fedoraproject.org/koji/koji/issues/443
Please continue any further discussion there.