reproduce (this is a W=1 build):
        # https://github.com/norov/linux/commit/d40765a7bbafbae8f4c7546d5ffdb1f97408f1ab
        git remote add norov https://github.com/norov/linux
        git fetch --no-tags norov for-620
        git checkout d40765a7bbafbae8f4c7546d5ffdb1f97408f1ab

        # 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 drivers/net/ethernet/intel/i40e/ drivers/net/ethernet/mellanox/mlx4/ drivers/net/ethernet/mellanox/mlx5/core/