util-linux/raw.service

[Unit]
Description=raw devices
After=local-fs.target remote-fs.target

[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/bin/sh -c "\
	/sbin/modprobe raw;\
	/sbin/udevadm settle;\
	for i in `grep -v ^# /etc/raw`; do\
		rawdev=`echo $i | cut -f1 -d:`;\
		rawbind=`echo $i | cut -f2- -d:`;\
		/usr/sbin/raw /dev/raw/$rawdev /dev/$rawbind;\
	done"

[Install]
WantedBy=multi-user.target