Well that varname is indeed the garage door id, but it should be posting that in the logs. Are you getting an error? It should look like:
dev:4612019-07-26 10:26:58.395 pm infoThe Door ID for a GD201 is: c4be84e87ae6
dev:4612019-07-26 10:26:58.358 pm debugGD201
dev:4612019-07-26 10:26:58.355 pm infoThe Door ID for a GD126 is: 9884e3d90ade
dev:4612019-07-26 10:26:58.351 pm debugGD126
dev:4612019-07-26 10:26:58.337 pm debuggda500hub
dev:4612019-07-26 10:26:58.334 pm debuggda500hub
dev:4612019-07-26 10:26:58.330 pm debuggda500hub
dev:4612019-07-26 10:26:58.316 pm debug[result:[[_id:5b7dca56c23b96f211b6b9e3, varName:587a623568f9, metaData:[name:587a623568f9, version:1, icon:/img/devices/gda_500.png, description:RYOB
Are you not seeing anything like that? Weird. Sounds like you worked around it anyway, but I'd like to figure out why yours is a little weird.