Created redmine issue https://projects.theforeman.org/issues/24329 from this bug
This page has since been rewritten, and the bonus subscription information is shown properly. There is a related issue with the "Requires Virt-Who" column, which is reported in https://bugzilla.redhat.com/show_bug.cgi?id=1606420.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHSA-2018:2927