040000 tree 2bb350e4f193ab8da6f14969ddb77af674fb32d2	device
040000 tree 816f47634ae466d6ed54bd5feabf647d30f5c46f	flow
040000 tree a3d63bd4466d8b2c69eb5b6cf1dcf7a5abec2fbd	host
040000 tree 227143d65ffc64448cfbf7397e68e43a37ac0882	link
040000 tree 70b738d72d24ebd0b4fb8e007cf7f52d79645ca1	topology