Function peer_repeaters 

async fn peer_repeaters<R: Radio>(ctl: &mut Ctl<'_, R>) -> Result<()>
where
    R::Error: Debug,

peer-repeaters: ask the target which repeaters it knows of.

Not node management — it is a plain MAC command any node may send, and the target need not list this tool as an administrator. It reuses the same borrowed radio because the tool still has to be a node to ask.