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EPERM with device creation on Darwin #137

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Description

Host: Darwin Kernel Version 25.1.0

The code is as follows:

fn main() -> anyhow::Result<()> {
 let mut config = tun::Configuration::default();
 config
 .address((10, 0, 0, 9))
 .netmask((255, 255, 255, 0))
 .destination((10, 0, 0, 1))
 .up();
 let mut dev = tun::create(&config)?;
 let mut buf = [0; 4096];
 loop {
 let amount = dev.recv(&mut buf)?;
 println!("{:?}", &buf[0..amount]);
 }
 Ok(())
}

Executing as a normal user results in the following error:

Error: Operation not permitted (os error 1)

I could imagine it might work when running as root but I am a bit scared of doing so; however, the documentation is not making any statements about the required privileges.

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