+#
+# This script is run to create persistent network device naming rules
+# based on properties of the device.
+# If the interface needs to be renamed, INTERFACE_NEW=<name> will be printed
+# on stdout to allow udev to IMPORT it.
+
+# variables used to communicate:
+# MATCHADDR MAC address used for the match
+# MATCHID bus_id used for the match
+# MATCHDRV driver name used for the match
+# MATCHIFTYPE interface type match
+# COMMENT comment to add to the generated rule
+# INTERFACE_NAME requested name supplied by external tool
+# INTERFACE_NEW new interface name returned by rule writer