1. A computing apparatus, comprising: a network interface; and one or more logic elements, including at least one hardware logic element, comprising a voice-activated network control (VANC) engine configured to: receive an input text string derived from a voice command to add capacity to a physical resource; parse the input text string to extract an action including adding the capacity, a target including the physical resource, a capacity resource including the capacity to be added to the physical resource, and a quantity including a number of the capacity resource including the capacity to be added; build a network policy macro to add the capacity to the physical resource from the parsed input text string according to the action, the target, the capacity resource, and the quantity; and cause commands based on the network policy macro to be executed on a target device to cause the capacity to be added to the physical resource according to the action, the target, the capacity resource, and the quantity.