fn add_hotplug_net<V: VmArch, Vcpu: VcpuArch>(
linux: &mut RunnableLinuxVm<V, Vcpu>,
sys_allocator: &mut SystemAllocator,
add_control_tube: &mut impl FnMut(AnyControlTube),
hotplug_manager: &mut PciHotPlugManager,
net_param: NetParameters
) -> Result<u8>