Description of problem: Fedora 22 is planning to switch over to dnf from yum as per https://fedoraproject.org/wiki/Changes/ReplaceYumWithDNF Please switch from yum/yum-utils to dnf/dnf-plugins-core. Thanks!
moving to upstream
spacewalk dnf plugin will be present in spacewalk 2.4, moving to ON_QA
Spacewalk 2.4 has been released.