This is https://bugzilla.redhat.com/show_bug.cgi?id=1079906 (originally https://bugzilla.redhat.com/show_bug.cgi?id=1062997 ). It partially works now in Rawhide, except that it fails to remove the old version of kernel-devel (see https://bugzilla.redhat.com/show_bug.cgi?id=1079906#c18 which is still waiting for someone to respond).