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

UDEV  [1303002383.825764] add      /devices/pci0000:00/0000:00:1d.7/usb2/2-1 (usb)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1d.7/usb2/2-1
SUBSYSTEM=usb
DEVNAME=/dev/bus/usb/002/003
DEVTYPE=usb_device
PRODUCT=71b/3203/0
TYPE=0/0/0
BUSNUM=002
DEVNUM=003
SEQNUM=1869
ID_VENDOR=ARCHOS
ID_VENDOR_ENC=ARCHOS\x20\x20
ID_VENDOR_ID=071b
ID_MODEL=Archos3
ID_MODEL_ENC=Archos3\x20
ID_MODEL_ID=3203
ID_REVISION=0000
ID_SERIAL=ARCHOS_Archos3_USBV1.00
ID_SERIAL_SHORT=USBV1.00
ID_BUS=usb
ID_USB_INTERFACES=:080650:
ID_MEDIA_PLAYER=domain-technologies_0x3203
MAJOR=189
MINOR=130
TAGS=:udev-acl:

UDEV  [1303002383.827971] add      /devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0 (usb)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0
SUBSYSTEM=usb
DEVTYPE=usb_interface
PRODUCT=71b/3203/0
TYPE=0/0/0
INTERFACE=8/6/80
MODALIAS=usb:v071Bp3203d0000dc00dsc00dp00ic08isc06ip50
SEQNUM=1870

UDEV  [1303002383.829809] add      /devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8 (scsi)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8
SUBSYSTEM=scsi
DEVTYPE=scsi_host
SEQNUM=1871

UDEV  [1303002383.831066] add      /devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/scsi_host/host8 (scsi_host)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/scsi_host/host8
SUBSYSTEM=scsi_host
SEQNUM=1872

UDEV  [1303002384.818499] add      /devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0 (scsi)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0
SUBSYSTEM=scsi
DEVTYPE=scsi_target
SEQNUM=1873

UDEV  [1303002384.820114] add      /devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0/8:0:0:0 (scsi)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0/8:0:0:0
SUBSYSTEM=scsi
DEVTYPE=scsi_device
MODALIAS=scsi:t-0x00
SEQNUM=1874

UDEV  [1303002384.822404] add      /devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0/8:0:0:0/scsi_device/8:0:0:0 (scsi_device)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0/8:0:0:0/scsi_device/8:0:0:0
SUBSYSTEM=scsi_device
SEQNUM=1876

UDEV  [1303002384.823091] add      /devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0/8:0:0:0/scsi_generic/sg3 (scsi_generic)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0/8:0:0:0/scsi_generic/sg3
SUBSYSTEM=scsi_generic
DEVNAME=/dev/sg3
SEQNUM=1877
MAJOR=21
MINOR=3

UDEV  [1303002384.824501] add      /devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0/8:0:0:0/scsi_disk/8:0:0:0 (scsi_disk)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0/8:0:0:0/scsi_disk/8:0:0:0
SUBSYSTEM=scsi_disk
SEQNUM=1875

UDEV  [1303002384.826511] add      /devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0/8:0:0:0/bsg/8:0:0:0 (bsg)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0/8:0:0:0/bsg/8:0:0:0
SUBSYSTEM=bsg
DEVNAME=/dev/bsg/8:0:0:0
SEQNUM=1878
MAJOR=253
MINOR=3

UDEV  [1303002384.997589] add      /devices/virtual/bdi/8:32 (bdi)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/virtual/bdi/8:32
SUBSYSTEM=bdi
SEQNUM=1880

UDEV  [1303002384.998530] remove   /devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0/8:0:0:0/bsg/8:0:0:0 (bsg)
UDEV_LOG=3
ACTION=remove
DEVPATH=/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0/8:0:0:0/bsg/8:0:0:0
SUBSYSTEM=bsg
DEVNAME=/dev/bsg/8:0:0:0
SEQNUM=1879
MAJOR=253
MINOR=3

UDEV  [1303002384.999095] remove   /devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0/8:0:0:0/scsi_disk/8:0:0:0 (scsi_disk)
UDEV_LOG=3
ACTION=remove
DEVPATH=/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0/8:0:0:0/scsi_disk/8:0:0:0
SUBSYSTEM=scsi_disk
SEQNUM=1885

UDEV  [1303002384.999785] remove   /devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0/8:0:0:0/scsi_generic/sg3 (scsi_generic)
UDEV_LOG=3
ACTION=remove
DEVPATH=/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0/8:0:0:0/scsi_generic/sg3
SUBSYSTEM=scsi_generic
DEVNAME=/dev/sg3
SEQNUM=1881
MAJOR=21
MINOR=3

UDEV  [1303002385.000201] remove   /devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0/8:0:0:0/scsi_device/8:0:0:0 (scsi_device)
UDEV_LOG=3
ACTION=remove
DEVPATH=/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0/8:0:0:0/scsi_device/8:0:0:0
SUBSYSTEM=scsi_device
SEQNUM=1882

UDEV  [1303002385.026748] remove   /devices/virtual/bdi/8:32 (bdi)
UDEV_LOG=3
ACTION=remove
DEVPATH=/devices/virtual/bdi/8:32
SUBSYSTEM=bdi
SEQNUM=1886

UDEV  [1303002385.027314] remove   /devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/scsi_host/host8 (scsi_host)
UDEV_LOG=3
ACTION=remove
DEVPATH=/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/scsi_host/host8
SUBSYSTEM=scsi_host
SEQNUM=1890

UDEV  [1303002385.050143] add      /devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0/8:0:0:0/block/sdc (block)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0/8:0:0:0/block/sdc
SUBSYSTEM=block
DEVNAME=/dev/sdc
DEVTYPE=disk
SEQNUM=1883
ID_MEDIA_PLAYER=domain-technologies_0x3203
ID_SCSI=1
ID_BUS=scsi
ID_PATH=pci-0000:00:1d.7
UDISKS_PRESENTATION_NOPOLICY=0
UDISKS_PRESENTATION_ICON_NAME=multimedia-player
MAJOR=8
MINOR=32
DEVLINKS=/dev/disk/by-path/pci-0000:00:1d.7

UDEV  [1303002385.082579] change   /devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0/8:0:0:0/block/sdc (block)
UDEV_LOG=3
ACTION=change
DEVPATH=/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0/8:0:0:0/block/sdc
SUBSYSTEM=block
DISK_MEDIA_CHANGE=1
DEVNAME=/dev/sdc
DEVTYPE=disk
SEQNUM=1884
ID_SCSI=1
ID_BUS=scsi
UDISKS_PRESENTATION_NOPOLICY=0
MAJOR=8
MINOR=32

UDEV  [1303002385.083717] remove   /devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0/8:0:0:0/block/sdc (block)
UDEV_LOG=3
ACTION=remove
DEVPATH=/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0/8:0:0:0/block/sdc
SUBSYSTEM=block
DEVNAME=/dev/sdc
DEVTYPE=disk
SEQNUM=1887
ID_SCSI=1
ID_BUS=scsi
UDISKS_PRESENTATION_NOPOLICY=0
MAJOR=8
MINOR=32

UDEV  [1303002385.085183] remove   /devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0/8:0:0:0 (scsi)
UDEV_LOG=3
ACTION=remove
DEVPATH=/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0/8:0:0:0
SUBSYSTEM=scsi
DEVTYPE=scsi_device
MODALIAS=scsi:t-0x00
SEQNUM=1888

UDEV  [1303002385.086282] remove   /devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0 (scsi)
UDEV_LOG=3
ACTION=remove
DEVPATH=/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8/target8:0:0
SUBSYSTEM=scsi
DEVTYPE=scsi_target
SEQNUM=1889

UDEV  [1303002385.087234] remove   /devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8 (scsi)
UDEV_LOG=3
ACTION=remove
DEVPATH=/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host8
SUBSYSTEM=scsi
DEVTYPE=scsi_host
SEQNUM=1891

UDEV  [1303002385.088183] remove   /devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0 (usb)
UDEV_LOG=3
ACTION=remove
DEVPATH=/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0
SUBSYSTEM=usb
DEVTYPE=usb_interface
PRODUCT=71b/3203/0
TYPE=0/0/0
INTERFACE=8/6/80
MODALIAS=usb:v071Bp3203d0000dc00dsc00dp00ic08isc06ip50
SEQNUM=1892

UDEV  [1303002385.092230] remove   /devices/pci0000:00/0000:00:1d.7/usb2/2-1 (usb)
UDEV_LOG=3
ACTION=remove
DEVPATH=/devices/pci0000:00/0000:00:1d.7/usb2/2-1
SUBSYSTEM=usb
DEVNAME=/dev/bus/usb/002/003
DEVTYPE=usb_device
PRODUCT=71b/3203/0
TYPE=0/0/0
BUSNUM=002
DEVNUM=003
SEQNUM=1893
ID_VENDOR=ARCHOS
ID_VENDOR_ENC=ARCHOS\x20\x20
ID_VENDOR_ID=071b
ID_MODEL=Archos3
ID_MODEL_ENC=Archos3\x20
ID_MODEL_ID=3203
ID_REVISION=0000
ID_SERIAL=ARCHOS_Archos3_USBV1.00
ID_SERIAL_SHORT=USBV1.00
ID_BUS=usb
ID_USB_INTERFACES=:080650:
ID_MEDIA_PLAYER=domain-technologies_0x3203
MAJOR=189
MINOR=130
TAGS=:udev-acl: