udevmonitor will print the received events for:
UDEV the event which udev sends out after rule processing
UEVENT the kernel uevent

UEVENT[1176723600.293995] add      /devices/pci0000:00/0000:00:02.1/usb2/2-9 (usb)
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:02.1/usb2/2-9
SUBSYSTEM=usb
SEQNUM=2881
PHYSDEVBUS=usb
DEVICE=/proc/bus/usb/002/005
PRODUCT=718/84/100
TYPE=0/0/0

UEVENT[1176723600.294086] add      /class/usb_endpoint/usbdev2.5_ep00 (usb_endpoint)
ACTION=add
DEVPATH=/class/usb_endpoint/usbdev2.5_ep00
SUBSYSTEM=usb_endpoint
SEQNUM=2882
MAJOR=254
MINOR=7

UEVENT[1176723600.298810] add      /devices/pci0000:00/0000:00:02.1/usb2/2-9/2-9:1.0 (usb)
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:02.1/usb2/2-9/2-9:1.0
SUBSYSTEM=usb
SEQNUM=2883
PHYSDEVBUS=usb
DEVICE=/proc/bus/usb/002/005
PRODUCT=718/84/100
TYPE=0/0/0
INTERFACE=8/6/80
MODALIAS=usb:v0718p0084d0100dc00dsc00dp00ic08isc06ip50

UEVENT[1176723600.298844] add      /class/scsi_host/host10 (scsi_host)
ACTION=add
DEVPATH=/class/scsi_host/host10
SUBSYSTEM=scsi_host
SEQNUM=2884
PHYSDEVPATH=/devices/pci0000:00/0000:00:02.1/usb2/2-9/2-9:1.0/host10

UEVENT[1176723600.298870] add      /class/usb_endpoint/usbdev2.5_ep01 (usb_endpoint)
ACTION=add
DEVPATH=/class/usb_endpoint/usbdev2.5_ep01
SUBSYSTEM=usb_endpoint
SEQNUM=2885
MAJOR=254
MINOR=8

UEVENT[1176723600.298887] add      /class/usb_endpoint/usbdev2.5_ep82 (usb_endpoint)
ACTION=add
DEVPATH=/class/usb_endpoint/usbdev2.5_ep82
SUBSYSTEM=usb_endpoint
SEQNUM=2886
MAJOR=254
MINOR=9

UEVENT[1176723600.298898] add      /class/usb_endpoint/usbdev2.5_ep83 (usb_endpoint)
ACTION=add
DEVPATH=/class/usb_endpoint/usbdev2.5_ep83
SUBSYSTEM=usb_endpoint
SEQNUM=2887
MAJOR=254
MINOR=10

UEVENT[1176723600.298910] add      /class/usb_device/usbdev2.5 (usb_device)
ACTION=add
DEVPATH=/class/usb_device/usbdev2.5
SUBSYSTEM=usb_device
SEQNUM=2888
PHYSDEVPATH=/devices/pci0000:00/0000:00:02.1/usb2/2-9
PHYSDEVBUS=usb
PHYSDEVDRIVER=usb
MAJOR=189
MINOR=132

UDEV  [1176723600.299812] add      /devices/pci0000:00/0000:00:02.1/usb2/2-9 (usb)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:02.1/usb2/2-9
SUBSYSTEM=usb
SEQNUM=2881
PHYSDEVBUS=usb
DEVICE=/proc/bus/usb/002/005
PRODUCT=718/84/100
TYPE=0/0/0
UDEVD_EVENT=1

UDEV  [1176723600.332997] add      /class/usb_endpoint/usbdev2.5_ep82 (usb_endpoint)
UDEV_LOG=3
ACTION=add
DEVPATH=/class/usb_endpoint/usbdev2.5_ep82
SUBSYSTEM=usb_endpoint
SEQNUM=2886
MAJOR=254
MINOR=9
UDEVD_EVENT=1
DEVNAME=/dev/usbdev2.5_ep82

UDEV  [1176723600.368920] add      /class/usb_endpoint/usbdev2.5_ep00 (usb_endpoint)
UDEV_LOG=3
ACTION=add
DEVPATH=/class/usb_endpoint/usbdev2.5_ep00
SUBSYSTEM=usb_endpoint
SEQNUM=2882
MAJOR=254
MINOR=7
UDEVD_EVENT=1
DEVNAME=/dev/usbdev2.5_ep00

UDEV  [1176723600.396530] add      /class/usb_endpoint/usbdev2.5_ep01 (usb_endpoint)
UDEV_LOG=3
ACTION=add
DEVPATH=/class/usb_endpoint/usbdev2.5_ep01
SUBSYSTEM=usb_endpoint
SEQNUM=2885
MAJOR=254
MINOR=8
UDEVD_EVENT=1
DEVNAME=/dev/usbdev2.5_ep01

UDEV  [1176723600.404271] add      /devices/pci0000:00/0000:00:02.1/usb2/2-9/2-9:1.0 (usb)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:02.1/usb2/2-9/2-9:1.0
SUBSYSTEM=usb
SEQNUM=2883
PHYSDEVBUS=usb
DEVICE=/proc/bus/usb/002/005
PRODUCT=718/84/100
TYPE=0/0/0
INTERFACE=8/6/80
MODALIAS=usb:v0718p0084d0100dc00dsc00dp00ic08isc06ip50
UDEVD_EVENT=1

UDEV  [1176723600.414447] add      /class/scsi_host/host10 (scsi_host)
UDEV_LOG=3
ACTION=add
DEVPATH=/class/scsi_host/host10
SUBSYSTEM=scsi_host
SEQNUM=2884
PHYSDEVPATH=/devices/pci0000:00/0000:00:02.1/usb2/2-9/2-9:1.0/host10
UDEVD_EVENT=1

UDEV  [1176723600.439257] add      /class/usb_device/usbdev2.5 (usb_device)
UDEV_LOG=3
ACTION=add
DEVPATH=/class/usb_device/usbdev2.5
SUBSYSTEM=usb_device
SEQNUM=2888
PHYSDEVPATH=/devices/pci0000:00/0000:00:02.1/usb2/2-9
PHYSDEVBUS=usb
PHYSDEVDRIVER=usb
MAJOR=189
MINOR=132
UDEVD_EVENT=1
USB_BUS=002
USB_DEV=005
DEVNAME=/dev/bus/usb/002/005

UDEV  [1176723600.445368] add      /class/usb_endpoint/usbdev2.5_ep83 (usb_endpoint)
UDEV_LOG=3
ACTION=add
DEVPATH=/class/usb_endpoint/usbdev2.5_ep83
SUBSYSTEM=usb_endpoint
SEQNUM=2887
MAJOR=254
MINOR=10
UDEVD_EVENT=1
DEVNAME=/dev/usbdev2.5_ep83

UEVENT[1176723605.295900] add      /devices/pci0000:00/0000:00:02.1/usb2/2-9/2-9:1.0/host10/target10:0:0/10:0:0:0 (scsi)
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:02.1/usb2/2-9/2-9:1.0/host10/target10:0:0/10:0:0:0
SUBSYSTEM=scsi
SEQNUM=2889
PHYSDEVBUS=scsi

UEVENT[1176723605.295932] add      /class/scsi_disk/10:0:0:0 (scsi_disk)
ACTION=add
DEVPATH=/class/scsi_disk/10:0:0:0
SUBSYSTEM=scsi_disk
SEQNUM=2890
PHYSDEVPATH=/devices/pci0000:00/0000:00:02.1/usb2/2-9/2-9:1.0/host10/target10:0:0/10:0:0:0
PHYSDEVBUS=scsi
PHYSDEVDRIVER=sd

UEVENT[1176723605.413407] add      /block/sdb (block)
ACTION=add
DEVPATH=/block/sdb
SUBSYSTEM=block
SEQNUM=2891
MINOR=16
MAJOR=8
PHYSDEVPATH=/devices/pci0000:00/0000:00:02.1/usb2/2-9/2-9:1.0/host10/target10:0:0/10:0:0:0
PHYSDEVBUS=scsi
PHYSDEVDRIVER=sd

UEVENT[1176723605.413432] add      /block/sdb/sdb1 (block)
ACTION=add
DEVPATH=/block/sdb/sdb1
SUBSYSTEM=block
SEQNUM=2892
MINOR=17
MAJOR=8
PHYSDEVPATH=/devices/pci0000:00/0000:00:02.1/usb2/2-9/2-9:1.0/host10/target10:0:0/10:0:0:0
PHYSDEVBUS=scsi
PHYSDEVDRIVER=sd

UEVENT[1176723605.413456] add      /class/scsi_device/10:0:0:0 (scsi_device)
ACTION=add
DEVPATH=/class/scsi_device/10:0:0:0
SUBSYSTEM=scsi_device
SEQNUM=2893
PHYSDEVPATH=/devices/pci0000:00/0000:00:02.1/usb2/2-9/2-9:1.0/host10/target10:0:0/10:0:0:0
PHYSDEVBUS=scsi
PHYSDEVDRIVER=sd

UEVENT[1176723605.413470] add      /class/scsi_generic/sg1 (scsi_generic)
ACTION=add
DEVPATH=/class/scsi_generic/sg1
SUBSYSTEM=scsi_generic
SEQNUM=2894
PHYSDEVPATH=/devices/pci0000:00/0000:00:02.1/usb2/2-9/2-9:1.0/host10/target10:0:0/10:0:0:0
PHYSDEVBUS=scsi
PHYSDEVDRIVER=sd
MAJOR=21
MINOR=1

UDEV  [1176723605.457848] add      /devices/pci0000:00/0000:00:02.1/usb2/2-9/2-9:1.0/host10/target10:0:0/10:0:0:0 (scsi)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:02.1/usb2/2-9/2-9:1.0/host10/target10:0:0/10:0:0:0
SUBSYSTEM=scsi
SEQNUM=2889
PHYSDEVBUS=scsi
UDEVD_EVENT=1

UDEV  [1176723605.473449] add      /block/sdb (block)
UDEV_LOG=3
ACTION=add
DEVPATH=/block/sdb
SUBSYSTEM=block
SEQNUM=2891
MINOR=16
MAJOR=8
PHYSDEVPATH=/devices/pci0000:00/0000:00:02.1/usb2/2-9/2-9:1.0/host10/target10:0:0/10:0:0:0
PHYSDEVBUS=scsi
PHYSDEVDRIVER=sd
UDEVD_EVENT=1
ID_VENDOR=Imation
ID_MODEL=Flash_Drive
ID_REVISION=1.00
ID_SERIAL=Imation_Flash_Drive_c6d384913eb60c-0:0
ID_SERIAL_SHORT=c6d384913eb60c
ID_TYPE=disk
ID_INSTANCE=0:0
ID_BUS=usb
ID_PATH=pci-0000:00:02.1-usb-0:9:1.0-scsi-0:0:0:0
DEVNAME=/dev/sdb
DEVLINKS=/dev/disk/by-id/usb-Imation_Flash_Drive_c6d384913eb60c-0:0 /dev/disk/by-path/pci-0000:00:02.1-usb-0:9:1.0-scsi-0:0:0:0

UDEV  [1176723605.491121] add      /class/scsi_disk/10:0:0:0 (scsi_disk)
UDEV_LOG=3
ACTION=add
DEVPATH=/class/scsi_disk/10:0:0:0
SUBSYSTEM=scsi_disk
SEQNUM=2890
PHYSDEVPATH=/devices/pci0000:00/0000:00:02.1/usb2/2-9/2-9:1.0/host10/target10:0:0/10:0:0:0
PHYSDEVBUS=scsi
PHYSDEVDRIVER=sd
UDEVD_EVENT=1

UDEV  [1176723605.491167] add      /class/scsi_device/10:0:0:0 (scsi_device)
UDEV_LOG=3
ACTION=add
DEVPATH=/class/scsi_device/10:0:0:0
SUBSYSTEM=scsi_device
SEQNUM=2893
PHYSDEVPATH=/devices/pci0000:00/0000:00:02.1/usb2/2-9/2-9:1.0/host10/target10:0:0/10:0:0:0
PHYSDEVBUS=scsi
PHYSDEVDRIVER=sd
UDEVD_EVENT=1

UDEV  [1176723605.493855] add      /class/scsi_generic/sg1 (scsi_generic)
UDEV_LOG=3
ACTION=add
DEVPATH=/class/scsi_generic/sg1
SUBSYSTEM=scsi_generic
SEQNUM=2894
PHYSDEVPATH=/devices/pci0000:00/0000:00:02.1/usb2/2-9/2-9:1.0/host10/target10:0:0/10:0:0:0
PHYSDEVBUS=scsi
PHYSDEVDRIVER=sd
MAJOR=21
MINOR=1
UDEVD_EVENT=1
DEVNAME=/dev/sg1

UDEV  [1176723605.535032] add      /block/sdb/sdb1 (block)
UDEV_LOG=3
ACTION=add
DEVPATH=/block/sdb/sdb1
SUBSYSTEM=block
SEQNUM=2892
MINOR=17
MAJOR=8
PHYSDEVPATH=/devices/pci0000:00/0000:00:02.1/usb2/2-9/2-9:1.0/host10/target10:0:0/10:0:0:0
PHYSDEVBUS=scsi
PHYSDEVDRIVER=sd
UDEVD_EVENT=1
ID_VENDOR=Imation
ID_MODEL=Flash_Drive
ID_REVISION=1.00
ID_SERIAL=Imation_Flash_Drive_c6d384913eb60c-0:0
ID_SERIAL_SHORT=c6d384913eb60c
ID_TYPE=disk
ID_INSTANCE=0:0
ID_BUS=usb
ID_PATH=pci-0000:00:02.1-usb-0:9:1.0-scsi-0:0:0:0
ID_F