7f0a615ef8
Now that we have a reliable pidns check I don't think we really should look for cgroupns anymore, it's too weak a check. I mean, if I myself would implement a desktop app sandbox (like flatpak) I'd always enable cgroupns, simply to hide the host cgroup hierarchy. Hence drop the check. I suggested adding this 4 years ago here: https://github.com/systemd/systemd/pull/17902#issuecomment-745548306
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