Function netsim::spawn::with_ether_iface

pub fn with_ether_iface<F, R>(
    handle: &Handle, 
    iface: EtherIfaceBuilder, 
    func: F
) -> (JoinHandle<R>, EtherPlug) where
    R: Send + 'static,
    F: FnOnce() -> R + Send + 'static, 

Spawn a function into a new network namespace with a network interface described by iface. Returns a JoinHandle which can be used to join the spawned thread, along with a channel which can be used to read/write ethernet frames to the spawned thread's interface.