Red Hat Enterprise Linux 6 has reached the end of Production 1 Phase of its Life Cycle (see https://access.redhat.com/support/policy/updates/errata/ for details). Accordingly, there are no plans to incorporate this feature in a future Red Hat Enterprise Linux 6 release.
To request the feature be included in Red Hat Enterprise Linux 7, please re-open the request for Red Hat Enterprise 7 and provide additional business and/or technical information about the importance of this feature to you.