KERNEL=="mwave", GROUP="dialout"
KERNEL=="hvc*|hvsi*", GROUP="dialout"
+# virtio serial / console ports
+KERNEL=="vport*", SYMLINK+="virtio-ports/$ATTR{name}"
+
# mem
KERNEL=="null|zero|full|random|urandom", MODE="0666"
KERNEL=="mem|kmem|port|nvram", GROUP="kmem", MODE="0640"