- A previous workaround done to recover from a panic on nil
    ref is now not needed and removed. The issue was that I assumed
    cli.Exit(err, int) was a way to exit; i.e. it uses os.Exit()
    under the hood. However, it only constructs a struct that implements
    error. Hence, we should return it, not just execute it.
    - Also warn on root and Windows
    - Move IPPool init to setup rather than run
		
	
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