040000 tree ec42399c1a0faf1b9d9edcd207f13a76e2be4057	device
040000 tree 363651cc100de6cec18885993f8d276299454135	host
040000 tree e9d00f2c5b0669b20bdeff3af4c2357f153ac9e5	link
040000 tree 8df031251d7c0e25ac1b48e33a291abbef41ca1e	packet
040000 tree c032b5f5d4c7dc916d8e89425a3e009974d8d173	topology