func expandHostVirtualSwitchSpec(d *schema.ResourceData) *types.HostVirtualSwitchSpec {
	obj := &types.HostVirtualSwitchSpec{
		Mtu:      int32(d.Get("mtu").(int)),
		NumPorts: int32(d.Get("number_of_ports").(int)),
		Bridge:   expandHostVirtualSwitchBondBridge(d),
		Policy:   expandHostNetworkPolicy(d),
	}
	// If there are no NICs, we need to nil-out Bridge, as a
	// HostVirtualSwitchBondBridge with no NICs is an invalid config.
	if len(obj.Bridge.(*types.HostVirtualSwitchBondBridge).NicDevice) < 1 {
		obj.Bridge = nil
	}
	return obj
}
func expandHostVirtualSwitchSpec(d *schema.ResourceData) *types.HostVirtualSwitchSpec {
	obj := &types.HostVirtualSwitchSpec{
		Mtu:      int32(d.Get("mtu").(int)),
		NumPorts: int32(d.Get("number_of_ports").(int)),
		Bridge:   expandHostVirtualSwitchBondBridge(d),
		Policy:   expandHostNetworkPolicy(d),
	}
	// If there are no NICs, we need to nil-out Bridge, as a
	// HostVirtualSwitchBondBridge with no NICs is an invalid config.
	if len(obj.Bridge.(*types.HostVirtualSwitchBondBridge).NicDevice) < 1 {
		obj.Bridge = nil
	}
	return obj
}
// expandHostVirtualSwitchSpec reads certain ResourceData keys and returns a
// HostVirtualSwitchSpec.