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

UDEV  [1286583695.806906] add      /devices/pci0000:00/0000:00:02.1/usb1/1-4 (usb)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:02.1/usb1/1-4
SUBSYSTEM=usb
DEVNAME=/dev/bus/usb/001/008
DEVTYPE=usb_device
PRODUCT=fca/8004/200
TYPE=0/0/0
BUSNUM=001
DEVNUM=008
SEQNUM=1894
ID_VENDOR=Research_In_Motion
ID_VENDOR_ENC=Research\x20In\x20Motion
ID_VENDOR_ID=0fca
ID_MODEL=RIM_Composite_Device
ID_MODEL_ENC=RIM\x20Composite\x20Device
ID_MODEL_ID=8004
ID_REVISION=0200
ID_SERIAL=Research_In_Motion_RIM_Composite_Device_17A40FFA1EC0954860D01C00FDE43AA80B83FA86
ID_SERIAL_SHORT=17A40FFA1EC0954860D01C00FDE43AA80B83FA86
ID_BUS=usb
ID_USB_INTERFACES=:ff01ff:080650:
ID_MEDIA_PLAYER=rim-8004
MAJOR=189
MINOR=7
DEVLINKS=/dev/char/189:7

UDEV  [1286583695.811442] add      /devices/pci0000:00/0000:00:02.1/usb1/1-4/1-4:1.1 (usb)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:02.1/usb1/1-4/1-4:1.1
SUBSYSTEM=usb
DEVTYPE=usb_interface
PRODUCT=fca/8004/200
TYPE=0/0/0
INTERFACE=8/6/80
MODALIAS=usb:v0FCAp8004d0200dc00dsc00dp00ic08isc06ip50
SEQNUM=1896

UDEV  [1286583695.812561] add      /devices/pci0000:00/0000:00:02.1/usb1/1-4/1-4:1.1/host14 (scsi)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:02.1/usb1/1-4/1-4:1.1/host14
SUBSYSTEM=scsi
DEVTYPE=scsi_host
SEQNUM=1897

UDEV  [1286583695.813415] add      /devices/pci0000:00/0000:00:02.1/usb1/1-4/1-4:1.1/host14/scsi_host/host14 (scsi_host)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:02.1/usb1/1-4/1-4:1.1/host14/scsi_host/host14
SUBSYSTEM=scsi_host
SEQNUM=1898

UDEV  [1286583695.814492] remove   /devices/pci0000:00/0000:00:02.1/usb1/1-4/1-4:1.1/host14/scsi_host/host14 (scsi_host)
UDEV_LOG=3
ACTION=remove
DEVPATH=/devices/pci0000:00/0000:00:02.1/usb1/1-4/1-4:1.1/host14/scsi_host/host14
SUBSYSTEM=scsi_host
SEQNUM=1899

UDEV  [1286583695.815002] remove   /devices/pci0000:00/0000:00:02.1/usb1/1-4/1-4:1.1/host14 (scsi)
UDEV_LOG=3
ACTION=remove
DEVPATH=/devices/pci0000:00/0000:00:02.1/usb1/1-4/1-4:1.1/host14
SUBSYSTEM=scsi
DEVTYPE=scsi_host
SEQNUM=1900

UDEV  [1286583695.820571] add      /devices/pci0000:00/0000:00:02.1/usb1/1-4/1-4:1.0 (usb)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:02.1/usb1/1-4/1-4:1.0
SUBSYSTEM=usb
DEVTYPE=usb_interface
PRODUCT=fca/8004/200
TYPE=0/0/0
INTERFACE=255/1/255
MODALIAS=usb:v0FCAp8004d0200dc00dsc00dp00icFFisc01ipFF
SEQNUM=1895