reproduce:
        # https://github.com/intel-lab-lkp/linux/commit/ece15657f74a8fe0c3cf05e2837534bb570a85bc
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Andrew-Lunn/drivers-net-3com-3c509-Remove-this-driver/20260424-104110
        git checkout ece15657f74a8fe0c3cf05e2837534bb570a85bc
        make menuconfig
        # enable CONFIG_COMPILE_TEST, CONFIG_WARN_MISSING_DOCUMENTS, CONFIG_WARN_ABI_ERRORS
        # pip install -r Documentation/sphinx/requirements.txt
        make htmldocs