am 9b7b5c27: am 40a87586: Only monitor recognized uevent devices.

Merge commit '9b7b5c275ef8d7f653efe3f1de9c64c23a899882'

* commit '9b7b5c275ef8d7f653efe3f1de9c64c23a899882':
  Only monitor recognized uevent devices.