It is now Possible to enable, thanks to three commits that do comparable work to the above links. Fernet is not enabled by default yet, though, it has to be a deliberate decision.
Comment 2Red Hat Bugzilla Rules Engine
2017-03-17 18:16:40 UTC
This bugzilla has been removed from the release and needs to be reviewed and Triaged for another Target Release.
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/RHEA-2017:3462