040000 tree 2caa2b95bd03b026d4f4bf9bbef05b6668f13af2	aarch64-linux-gnu-4.9
040000 tree 9d883535ea1abb1540109dd0a925451837c24af0	aarch64-linux-gnu-5.1
040000 tree 182859de054d07d97e6b1317e7f6e9ad7faa9bf0	aarch64-linux-gnu-9.2