+# debugging monitor
+RUN+="socket:/org/kernel/udev/monitor"
+
+# run a command on remove events
+ACTION=="remove", ENV{REMOVE_CMD}!="", RUN+="$env{REMOVE_CMD}"
+
# ignore the events generated by virtual consoles
KERNEL=="ptmx", OPTIONS+="last_rule"
KERNEL=="console", OPTIONS+="last_rule"