Comment 11 for bug 2003179

I propose adjusting the logging to remove the possibility of inadvertently logging sensitive data.

As this line, https://opendev.org/openstack/oslo.privsep/src/commit/f0c7eca61b9cbd3ae3dbcab7f29ca74dd0e2dc1d/oslo_privsep/daemon.py#L499, logs the reply from any command it was used to run, the issue could manifest elsewhere. To avoid this, the line performing the logging could be changed from

LOG.debug('privsep: reply[%(msgid)s]: %(reply)s',
   {'msgid': msgid, 'reply': reply})
to the following that will indicate True/False if there is a reply without printing it out.
 LOG.debug('privsep: reply[%(msgid)s]: %(reply)s',
                          {'msgid': msgid, 'reply?': reply != None})

This seems safer overall as the issue could show up for other drivers in the future.