reproduce (this is a W=1 build):
        # https://github.com/kkdwivedi/linux/commit/1c28bfd0bf1dd14f86e6858fe6f4ca67ae4b18ab
        git remote add kkdwivedi https://github.com/kkdwivedi/linux
        git fetch --no-tags kkdwivedi coroutine/base
        git checkout 1c28bfd0bf1dd14f86e6858fe6f4ca67ae4b18ab

        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/net/