SUBSYSTEM=="pci", RUN+="socket:/org/xen/xend/udev_event"
SUBSYSTEM=="scsi", RUN+="socket:/org/xen/xend/udev_event"
SUBSYSTEM=="usb", RUN+="socket:/org/xen/xend/udev_event"
#SUBSYSTEM=="net", KERNEL!="vif[0-9]*.[0-9]*|tap[0-9]*.[0-9]*", RUN+="socket:/org/xen/xend/udev_event"