Index: xen-4.5.0-testing/tools/hotplug/Linux/xen-backend.rules.in
===================================================================
--- xen-4.5.0-testing.orig/tools/hotplug/Linux/xen-backend.rules.in
+++ xen-4.5.0-testing/tools/hotplug/Linux/xen-backend.rules.in
@@ -12,4 +12,5 @@ KERNEL=="blktap-control", NAME="xen/blkt
 KERNEL=="gntdev", NAME="xen/%k", MODE="0600"
 KERNEL=="pci_iomul", NAME="xen/%k", MODE="0600"
 KERNEL=="tapdev[a-z]*", NAME="xen/blktap-2/tapdev%m", MODE="0600"
-SUBSYSTEM=="net", KERNEL=="vif*-emu", ACTION=="add", ENV{UDEV_CALL}="1", RUN+="@XEN_SCRIPT_DIR@/vif-setup $env{ACTION} type_if=tap"
+SUBSYSTEM=="net", KERNEL=="vif*-emu", ACTION=="add", ENV{UDEV_CALL}="1", TEST=="/proc/xen" RUN+="/etc/xen/scripts/vif-setup $env{ACTION} type_if=tap"
+KERNELS=="xen", KERNEL=="xvd*", SUBSYSTEM=="block", OPTIONS+="last_rule"