mkdir -p $config_path
grep -q "^lxc.rootfs" $config_path/config 2>/dev/null || echo "lxc.rootfs = $rootfs_path" >> $config_path/config
cat <<EOF >> $config_path/config
+# Most of below settings should be taken as defaults from
+# lxc.include = /usr/share/lxc/config/common.conf
lxc.utsname = $utsname
lxc.tty = 4
lxc.pts = 1024
+# Consider if below line is right for systemd container
lxc.mount = $config_path/fstab
lxc.cap.drop = sys_module mac_admin mac_override sys_time