Soumya - got your note, I'll get that started.
An fyi that, in this case, x86_64 & nfs v4, has the same behavior as
aarch64. That is, x86_64 fails too for nfs v4 with this UID/GID thing.
Some how the IDs are rolling. Is my setup wrong?
I'll work on the traces/logs.
> sh-4.2# ls -l /etc/securetty
> -rw------- 1 4294967294 4294967294 221 Jun 21 2018 /etc/securetty