pub fn create_balloon_device(
protection_type: ProtectionType,
jail_config: Option<&JailConfig>,
tube: Tube,
inflate_tube: Option<Tube>,
init_balloon_size: u64,
vm_memory_client: VmMemoryClient,
enabled_features: u64,
registered_evt_q: Option<SendTube>,
ws_num_bins: u8,
) -> Result<VirtioDeviceStub>