Index: uspace/drv/rootvirt/devices.def
===================================================================
--- uspace/drv/rootvirt/devices.def	(revision 42be09b14da6e407504329603d4a445d6a44aede)
+++ uspace/drv/rootvirt/devices.def	(revision 40dc4226a1988bd7570910388f1d32d5f365f2ea)
@@ -17,3 +17,7 @@
 	.match_id = "virtual&test2"
 },
+{
+	.name = "null",
+	.match_id = "virtual&test1"
+},
 #endif