040000 tree 2ba50d3424f0e6be2c7c390ae95464312162960e	conn
040000 tree abeb4305fb88faae956f24b744ad05c5e0b86e78	flowtest
040000 tree c44b8f6e0ffb3938f0b97c6fc39207d71e7b16ed	manager
100644 blob ef04a002cec9a4631314373166961b9d3ec21368	util.go
100644 blob e407b1eb7eba4492d2be891e347a19d02e8abd6c	util_test.go