040000 tree 896cdce1bedb80993224767d4982aadd786e1e6a	ipv4
040000 tree 1702ced373d65b4b2e9432389c5f1726eac3de07	ipv6
040000 tree e362fcf8f7cfeac20b3ddec8b64512ffbea5473d	lwip
040000 tree 23469e694d4af4457502ecd2e75e1c562f0e5656	netif
040000 tree 5efad878f43eec646dc6c721a803558a4a540955	posix