When using the search bar option in the Overlay Flow Control (OFC) page, the subnet does not appear, even though the subnet is known to work fine and route across the overlay without any issues:
VMware SD-WAN by VeloCloud
This is an expected behavior. The OFC Routes List section only loads a maximum of 256 subnets for resource management.
If the total amount of the enterprise routes is greater than 256 subnets, the filter next to the search bar should be used instead, and the subnet will be displayed accordingly: