reproduce (this is a W=1 build):
        # https://github.com/alobakin/linux/commit/cb251653bf74723c653ae96a5b5a97e57dcc7b18
        git remote add alobakin https://github.com/alobakin/linux
        git fetch --no-tags alobakin libeth
        git checkout cb251653bf74723c653ae96a5b5a97e57dcc7b18

        # 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