What were you trying to do that didn't work?

Systemd 257 adds a PrivatePIDs parameter

What is the impact of this issue to you?

Further restricting the system visibility of high risk processes would help assure compromised services cannot move laterally

Please provide the package NVR for which the bug is seen: 256-16.el10

How reproducible is this bug?:

Steps to reproduce

Expected results

https://github.com/systemd/systemd/blob/main/NEWS#L260

Actual results