And when you remove an ethernet device, the kernel removes the ethX device, and any userspace mappings you had you need to then clean up as well on your own. -> That is the issue. There appears to be no notification . >> For instance .. how does /etc/udev/rules.d/60-net.rules get invoked ? When a ethX device is reported as created by the kernel. -> On RH (5.5), 60-net.rules never get invoked on boot for a ethernet adapter. -- To unsubscribe from this list: send the line "unsubscribe linux-hotplug" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html