monitor will print the received events for:
UDEV - the event which udev sends out after rule processing

UDEV  [14262.773016] add      /devices/virtual/workqueue/scsi_tmf_4 (workqueue)
UDEV  [14262.777461] add      /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.4 (usb)
UDEV  [14262.783318] add      /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.4/1-6.4:1.1 (usb)
UDEV  [14262.784912] add      /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.4/1-6.4:1.4 (usb)
UDEV  [14262.785440] add      /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.4/1-6.4:1.0 (usb)
UDEV  [14262.786065] add      /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.4/1-6.4:1.6 (usb)
UDEV  [14262.788875] add      /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.4/1-6.4:1.5 (usb)
UDEV  [14262.790553] add      /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.4/1-6.4:1.1/usbmisc/lp0 (usbmisc)
UDEV  [14262.791415] add      /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.4/1-6.4:1.3 (usb)
UDEV  [14262.812577] bind     /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.4/1-6.4:1.1 (usb)
UDEV  [14262.812762] add      /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.4/1-6.4:1.2 (usb)
UDEV  [14262.814154] add      /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.4/1-6.4:1.2/host4 (scsi)
UDEV  [14262.815747] add      /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.4/1-6.4:1.2/host4/scsi_host/host4 (scsi_host)
UDEV  [14262.817098] bind     /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.4/1-6.4:1.2 (usb)
UDEV  [14262.819063] bind     /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.4 (usb)
UDEV  [14262.820077] remove   /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.4/1-6.4:1.1/usbmisc/lp0 (usbmisc)
UDEV  [14262.821259] unbind   /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.4/1-6.4:1.1 (usb)
UDEV  [14263.799161] add      /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.4/1-6.4:1.2/host4/target4:0:0 (scsi)
UDEV  [14263.801081] add      /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.4/1-6.4:1.2/host4/target4:0:0/4:0:0:0 (scsi)
UDEV  [14263.802330] add      /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.4/1-6.4:1.2/host4/target4:0:0/4:0:0:0/scsi_disk/4:0:0:0 (scsi_disk)
UDEV  [14263.802441] add      /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.4/1-6.4:1.2/host4/target4:0:0/4:0:0:0/bsg/4:0:0:0 (bsg)
UDEV  [14263.802504] add      /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.4/1-6.4:1.2/host4/target4:0:0/4:0:0:0/scsi_generic/sg3 (scsi_generic)
UDEV  [14263.803587] add      /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.4/1-6.4:1.2/host4/target4:0:0/4:0:0:0/scsi_device/4:0:0:0 (scsi_device)
UDEV  [14263.804625] change   /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.4/1-6.4:1.2/host4/target4:0:0/4:0:0:0 (scsi)
UDEV  [14263.817662] add      /devices/virtual/bdi/8:32 (bdi)
UDEV  [14263.852241] add      /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.4/1-6.4:1.2/host4/target4:0:0/4:0:0:0/block/sdc (block)
UDEV  [14263.853577] bind     /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.4/1-6.4:1.2/host4/target4:0:0/4:0:0:0 (scsi)
UDEV  [14263.862627] change   /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.4/1-6.4:1.2/host4/target4:0:0/4:0:0:0/block/sdc (block)