The LibraryItems.EthernetUpdateSpec structure describes the network that the ethernet adapter of the deployed virtual machine should be connected to.
Identifier of the network backing the virtual Ethernet adapter. This field is currently required. If unset, the virtual Ethernet adapter will be connected to same network as it was in the source virtual machine template.
When clients pass a value of this structure as a parameter, the field must be an identifier for the resource type: Network. When operations return a value of this structure as a result, the field will be an identifier for the resource type: Network.