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