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040000 tree 8c4a7a8ce2cc034da9065d9e565b8878ab0c724f	core
040000 tree eb2945dfcd09a332fa57d5c70c53f1e44af16296	devicemanager
040000 tree 17407713cc20d83f451fe7e3f7ddec4c59937ead	flowmanager
040000 tree 327c40fa42cd3688a7c425cce9f941550e6e2a1c	linkdiscovery
040000 tree c3ec2635bcd08111eef3985b5ec4ba3bb15a7be7	topology
040000 tree 23ac13c18cd9a588b4883390feb8802d463e3663	util