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040000 tree 235666fd184f05e07f77584eacbc7c49a7f6740c	core
040000 tree ffd2a9b625acc3f47114d838402fd2b2bd82ba01	devicemanager
040000 tree 97d7e4499d7fb28fb660aed082bd31d54505658d	flowmanager
040000 tree 327c40fa42cd3688a7c425cce9f941550e6e2a1c	linkdiscovery
040000 tree f4e6e7590af2f0788a20037e9815be5ff97e0772	routing
040000 tree 23ac13c18cd9a588b4883390feb8802d463e3663	util