Verified against sssd-client-1.14.0-42.el7.x86_64, sanity only.
Joined a client to a child domain, tested authentication for the parent domain and vice versa, no issues logging in through the day.
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://rhn.redhat.com/errata/RHEA-2016-2476.html