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040000 tree 8c4a7a8ce2cc034da9065d9e565b8878ab0c724f	core
040000 tree eb2945dfcd09a332fa57d5c70c53f1e44af16296	devicemanager
040000 tree 0dbf0bd22b7d5ce0feb1a3a975359430e7d463e1	flowmanager
040000 tree 327c40fa42cd3688a7c425cce9f941550e6e2a1c	linkdiscovery
040000 tree b7c26a6cdfbc6e86a96f7e6d3555dd8fce6ef896	topology
040000 tree 944e73fd103202344e7841ebdd6143f307926f39	util