func NetworkSetMaster(iface, master *net.Interface) error {
	data := uint32Attr(syscall.IFLA_MASTER, uint32(master.Index))
	return networkMasterAction(iface, data)
}
func NetworkSetMaster(iface, master *net.Interface) error {
	data := uint32Attr(syscall.IFLA_MASTER, uint32(master.Index))
	return networkMasterAction(iface, data)
}
// Add an interface to bridge.
// This is identical to running: ip link set $name master $master