reproduce:
        # https://github.com/jpirko/linux_mlxsw/commit/ed1bb20e593812e25f641db240eca762a6a2dca9
        git remote add jpirko-mlxsw https://github.com/jpirko/linux_mlxsw
        git fetch --no-tags jpirko-mlxsw wip_attestation_all_2
        git checkout ed1bb20e593812e25f641db240eca762a6a2dca9
        make menuconfig
        # enable CONFIG_COMPILE_TEST, CONFIG_WARN_MISSING_DOCUMENTS, CONFIG_WARN_ABI_ERRORS
        # pip install -r Documentation/sphinx/requirements.txt
        make htmldocs