ACTION=="remove", GOTO="persistent_storage_end"
# enable in-kernel media-presence polling
-ACTION=="add", SUBSYSTEM=="module", KERNEL=="block", ATTR{parameters/events_dfl_poll_msecs}="2000"
+ACTION=="add", SUBSYSTEM=="module", KERNEL=="block", ATTR{parameters/events_dfl_poll_msecs}=="0", ATTR{parameters/events_dfl_poll_msecs}="2000"
SUBSYSTEM!="block", GOTO="persistent_storage_end"