reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/15a633eda320fd75c637aca18deb3620faa75214
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Yuya-Kusakabe/seg6-add-support-for-the-SRv6-End-MAP-behavior/20260710-171238
        git checkout 15a633eda320fd75c637aca18deb3620faa75214
        # apt-get install llvm-dev

        # save the config file
        make W=1 ARCH=x86_64 olddefconfig
        make W=1 ARCH=x86_64 
        make W=1 headers_install
        make W=1 -C tools/testing/selftests