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

UEVENT[1189434584.780827] add      /devices/pci0000:00/0000:00:1d.3/usb5/5-1 (usb)
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1d.3/usb5/5-1
SUBSYSTEM=usb
SEQNUM=2236
MAJOR=189
MINOR=519
DEVTYPE=usb_device
PHYSDEVBUS=usb
DEVICE=/proc/bus/usb/005/008
PRODUCT=583/a000/100
TYPE=0/0/0
BUSNUM=005
DEVNUM=008

UEVENT[1189434584.780885] add      /class/usb_endpoint/usbdev5.8_ep00 (usb_endpoint)
ACTION=add
DEVPATH=/class/usb_endpoint/usbdev5.8_ep00
SUBSYSTEM=usb_endpoint
SEQNUM=2237
MAJOR=254
MINOR=18
PHYSDEVPATH=/devices/pci0000:00/0000:00:1d.3/usb5/5-1
PHYSDEVBUS=usb
PHYSDEVDRIVER=usb

UDEV  [1189434584.782134] add      /devices/pci0000:00/0000:00:1d.3/usb5/5-1 (usb)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1d.3/usb5/5-1
SUBSYSTEM=usb
SEQNUM=2236
MAJOR=189
MINOR=519
DEVTYPE=usb_device
PHYSDEVBUS=usb
DEVICE=/proc/bus/usb/005/008
PRODUCT=583/a000/100
TYPE=0/0/0
BUSNUM=005
DEVNUM=008
UDEVD_EVENT=1
DEVNAME=/dev/bus/usb/005/008

UDEV  [1189434584.782636] add      /class/usb_endpoint/usbdev5.8_ep00 (usb_endpoint)
UDEV_LOG=3
ACTION=add
DEVPATH=/class/usb_endpoint/usbdev5.8_ep00
SUBSYSTEM=usb_endpoint
SEQNUM=2237
MAJOR=254
MINOR=18
PHYSDEVPATH=/devices/pci0000:00/0000:00:1d.3/usb5/5-1
PHYSDEVBUS=usb
PHYSDEVDRIVER=usb
UDEVD_EVENT=1
DEVNAME=/dev/usbdev5.8_ep00

UEVENT[1189434584.783285] add      /devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0 (usb)
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0
SUBSYSTEM=usb
SEQNUM=2238
DEVTYPE=usb_interface
PHYSDEVBUS=usb
INTERFACE=3/0/0
MODALIAS=usb:v0583pA000d0100dc00dsc00dp00ic03isc00ip00

UEVENT[1189434584.808945] add      /class/input/input19 (input)
ACTION=add
DEVPATH=/class/input/input19
SUBSYSTEM=input
SEQNUM=2239
PHYSDEVPATH=/devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0
PHYSDEVBUS=usb
PHYSDEVDRIVER=usbhid
PRODUCT=3/583/a000/110
NAME="2-Axis,8-Button  "
PHYS="usb-0000:00:1d.3-1/input0"
UNIQ=""
EV=b
KEY=ff 0 0 0 0 0 0 0 0 0
ABS=3
MODALIAS=input:b0003v0583pA000e0110-e0,1,3,k120,121,122,123,124,125,126,127,ra0,1,mlsfw

UEVENT[1189434584.808968] add      /class/input/input19/event6 (input)
ACTION=add
DEVPATH=/class/input/input19/event6
SUBSYSTEM=input
SEQNUM=2240
MAJOR=13
MINOR=70
PHYSDEVPATH=/devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0
PHYSDEVBUS=usb
PHYSDEVDRIVER=usbhid

UEVENT[1189434584.808978] add      /class/usb_endpoint/usbdev5.8_ep81 (usb_endpoint)
ACTION=add
DEVPATH=/class/usb_endpoint/usbdev5.8_ep81
SUBSYSTEM=usb_endpoint
SEQNUM=2241
MAJOR=254
MINOR=19
PHYSDEVPATH=/devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0
PHYSDEVBUS=usb
PHYSDEVDRIVER=usbhid

UEVENT[1189434584.808988] add      /class/usb_device/usbdev5.8 (usb_device)
ACTION=add
DEVPATH=/class/usb_device/usbdev5.8
SUBSYSTEM=usb_device
SEQNUM=2242
MAJOR=189
MINOR=519
PHYSDEVPATH=/devices/pci0000:00/0000:00:1d.3/usb5/5-1
PHYSDEVBUS=usb
PHYSDEVDRIVER=usb

UDEV  [1189434584.816781] add      /devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0 (usb)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0
SUBSYSTEM=usb
SEQNUM=2238
DEVTYPE=usb_interface
PHYSDEVBUS=usb
INTERFACE=3/0/0
MODALIAS=usb:v0583pA000d0100dc00dsc00dp00ic03isc00ip00
UDEVD_EVENT=1

UDEV  [1189434584.852649] add      /class/input/input19 (input)
UDEV_LOG=3
ACTION=add
DEVPATH=/class/input/input19
SUBSYSTEM=input
SEQNUM=2239
PHYSDEVPATH=/devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0
PHYSDEVBUS=usb
PHYSDEVDRIVER=usbhid
PRODUCT=3/583/a000/110
NAME="2-Axis,8-Button  "
PHYS="usb-0000:00:1d.3-1/input0"
UNIQ=""
EV=b
KEY=ff 0 0 0 0 0 0 0 0 0
ABS=3
MODALIAS=input:b0003v0583pA000e0110-e0,1,3,k120,121,122,123,124,125,126,127,ra0,1,mlsfw
UDEVD_EVENT=1

UDEV  [1189434584.853987] add      /class/usb_endpoint/usbdev5.8_ep81 (usb_endpoint)
UDEV_LOG=3
ACTION=add
DEVPATH=/class/usb_endpoint/usbdev5.8_ep81
SUBSYSTEM=usb_endpoint
SEQNUM=2241
MAJOR=254
MINOR=19
PHYSDEVPATH=/devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0
PHYSDEVBUS=usb
PHYSDEVDRIVER=usbhid
UDEVD_EVENT=1
DEVNAME=/dev/usbdev5.8_ep81

UDEV  [1189434584.857867] add      /class/usb_device/usbdev5.8 (usb_device)
UDEV_LOG=3
ACTION=add
DEVPATH=/class/usb_device/usbdev5.8
SUBSYSTEM=usb_device
SEQNUM=2242
MAJOR=189
MINOR=519
PHYSDEVPATH=/devices/pci0000:00/0000:00:1d.3/usb5/5-1
PHYSDEVBUS=usb
PHYSDEVDRIVER=usb
UDEVD_EVENT=1
DEVNAME=/dev/bus/usb/005/008

UDEV  [1189434584.874518] add      /class/input/input19/event6 (input)
UDEV_LOG=3
ACTION=add
DEVPATH=/class/input/input19/event6
SUBSYSTEM=input
SEQNUM=2240
MAJOR=13
MINOR=70
PHYSDEVPATH=/devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0
PHYSDEVBUS=usb
PHYSDEVDRIVER=usbhid
UDEVD_EVENT=1
ID_VENDOR=0583
ID_MODEL=2-Axis,8-Button
ID_REVISION=0100
ID_SERIAL=0583_2-Axis,8-Button
ID_TYPE=hid
ID_BUS=usb
ID_CLASS=joystick
ID_PATH=pci-0000:00:1d.3-usb-0:1:1.0
DEVNAME=/dev/input/event6
DEVLINKS=/dev/input/by-id/usb-0583_2-Axis_8-Button-event-joystick /dev/input/by-path/pci-0000:00:1d.3-usb-0:1:1.0-event-joystick