reproduce:
        # https://github.com/jpirko/linux_mlxsw/commit/d4c78d56bb6c57a152d81d5d8442f520863f503e
        git remote add jpirko-mlxsw https://github.com/jpirko/linux_mlxsw
        git fetch --no-tags jpirko-mlxsw wip_attestation_pre_rfc_draft1
        git checkout d4c78d56bb6c57a152d81d5d8442f520863f503e
        make menuconfig
        # enable CONFIG_COMPILE_TEST, CONFIG_WARN_MISSING_DOCUMENTS, CONFIG_WARN_ABI_ERRORS
        # pip install -r Documentation/sphinx/requirements.txt
        make htmldocs