Since the rebase libntrpc package with version libntirpc-1.5.4-1 is available to QE for testing and setup works as expected,Hence moving this BZ to verified state.
#rpm -qa | grep libnt
libntirpc-1.5.4-1.el7rhgs.x86_64
nfs-ganesha-2.5.5-2.el7rhgs.x86_64
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-2018:2610