tar -xJf systemd-197.tar.xz
cd systemd-197
tar -xvf ../udev-lfs-197-2.tar.bz2
make -f udev-lfs-197-2/Makefile.lfs
make -f udev-lfs-197-2/Makefile.lfs install
build/udevadm hwdb --update
bash udev-lfs-197-2/init-net-rules.sh
cd ..
rm -fr systemd-197