reproduce (this is a W=1 build):
        git remote add wireless-next https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git
        git fetch wireless-next main
        git checkout wireless-next/main
        b4 shazam https://lore.kernel.org/r/20241024131807.0a6c07355832.I3df6aac71d38a5baa1c0a03d0c7e82d4395c030e@changeid
        # 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 net/8021q/