This bug has been copied from bug #1704744 and has been proposed to be backported to 7.7 z-stream (EUS).
commit e95ebf99402c8eea7137106a8bf0e06ca4538b14 (HEAD -> rhel7.7-contrib, origin/rhel7.7-contrib)
Author: Lukas Vrabec <firstname.lastname@example.org>
Date: Mon Jul 1 21:38:03 2019 +0200
Allow sbd_t domain to use nsswitch
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.