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

UDEV  [187205.193798] add      /devices/pci0000:00/0000:00:1a.2/usb5/5-2 (usb)
ACTION=add
BUSNUM=005
DEVNAME=/dev/bus/usb/005/002
DEVNUM=002
DEVPATH=/devices/pci0000:00/0000:00:1a.2/usb5/5-2
DEVTYPE=usb_device
ID_BUS=usb
ID_MEDIA_PLAYER=amazon_kindle
ID_MODEL=Amazon_Kindle
ID_MODEL_ENC=Amazon\x20Kindle
ID_MODEL_ID=0004
ID_REVISION=0100
ID_SERIAL=Amazon_Amazon_Kindle_B008A0A004972F47
ID_SERIAL_SHORT=B008A0A004972F47
ID_USB_INTERFACES=:080650:
ID_VENDOR=Amazon
ID_VENDOR_ENC=Amazon
ID_VENDOR_ID=1949
MAJOR=189
MINOR=513
PRODUCT=1949/4/100
SEQNUM=2449
SUBSYSTEM=usb
TAGS=:udev-acl:
TYPE=0/0/0
UDEV_LOG=3
USEC_INITIALIZED=187205180833

UDEV  [187205.195222] add      /devices/pci0000:00/0000:00:1a.2/usb5/5-2/5-2:1.0 (usb)
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1a.2/usb5/5-2/5-2:1.0
DEVTYPE=usb_interface
INTERFACE=8/6/80
MODALIAS=usb:v1949p0004d0100dc00dsc00dp00ic08isc06ip50
PRODUCT=1949/4/100
SEQNUM=2450
SUBSYSTEM=usb
TYPE=0/0/0
UDEV_LOG=3
USEC_INITIALIZED=187205195154

UDEV  [187205.196849] add      /devices/pci0000:00/0000:00:1a.2/usb5/5-2/5-2:1.0/host20 (scsi)
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1a.2/usb5/5-2/5-2:1.0/host20
DEVTYPE=scsi_host
SEQNUM=2451
SUBSYSTEM=scsi
UDEV_LOG=3
USEC_INITIALIZED=187205196775

UDEV  [187205.197614] add      /devices/pci0000:00/0000:00:1a.2/usb5/5-2/5-2:1.0/host20/scsi_host/host20 (scsi_host)
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1a.2/usb5/5-2/5-2:1.0/host20/scsi_host/host20
SEQNUM=2452
SUBSYSTEM=scsi_host
UDEV_LOG=3
USEC_INITIALIZED=187205197553

UDEV  [187206.192037] add      /devices/pci0000:00/0000:00:1a.2/usb5/5-2/5-2:1.0/host20/target20:0:0 (scsi)
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1a.2/usb5/5-2/5-2:1.0/host20/target20:0:0
DEVTYPE=scsi_target
SEQNUM=2453
SUBSYSTEM=scsi
UDEV_LOG=3
USEC_INITIALIZED=187206191945

UDEV  [187206.192437] add      /devices/pci0000:00/0000:00:1a.2/usb5/5-2/5-2:1.0/host20/target20:0:0/20:0:0:0 (scsi)
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1a.2/usb5/5-2/5-2:1.0/host20/target20:0:0/20:0:0:0
DEVTYPE=scsi_device
MODALIAS=scsi:t-0x00
SEQNUM=2454
SUBSYSTEM=scsi
UDEV_LOG=3
USEC_INITIALIZED=187206192394

UDEV  [187206.193357] add      /devices/pci0000:00/0000:00:1a.2/usb5/5-2/5-2:1.0/host20/target20:0:0/20:0:0:0/scsi_device/20:0:0:0 (scsi_device)
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1a.2/usb5/5-2/5-2:1.0/host20/target20:0:0/20:0:0:0/scsi_device/20:0:0:0
SEQNUM=2456
SUBSYSTEM=scsi_device
UDEV_LOG=3
USEC_INITIALIZED=187206193280

UDEV  [187206.194181] add      /devices/pci0000:00/0000:00:1a.2/usb5/5-2/5-2:1.0/host20/target20:0:0/20:0:0:0/scsi_disk/20:0:0:0 (scsi_disk)
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1a.2/usb5/5-2/5-2:1.0/host20/target20:0:0/20:0:0:0/scsi_disk/20:0:0:0
SEQNUM=2455
SUBSYSTEM=scsi_disk
UDEV_LOG=3
USEC_INITIALIZED=187206194089

UDEV  [187206.195357] add      /devices/pci0000:00/0000:00:1a.2/usb5/5-2/5-2:1.0/host20/target20:0:0/20:0:0:0/bsg/20:0:0:0 (bsg)
ACTION=add
DEVNAME=/dev/bsg/20:0:0:0
DEVPATH=/devices/pci0000:00/0000:00:1a.2/usb5/5-2/5-2:1.0/host20/target20:0:0/20:0:0:0/bsg/20:0:0:0
MAJOR=253
MINOR=2
SEQNUM=2458
SUBSYSTEM=bsg
UDEV_LOG=3
USEC_INITIALIZED=187206191772

UDEV  [187206.196075] add      /devices/pci0000:00/0000:00:1a.2/usb5/5-2/5-2:1.0/host20/target20:0:0/20:0:0:0/scsi_generic/sg2 (scsi_generic)
ACTION=add
DEVNAME=/dev/sg2
DEVPATH=/devices/pci0000:00/0000:00:1a.2/usb5/5-2/5-2:1.0/host20/target20:0:0/20:0:0:0/scsi_generic/sg2
MAJOR=21
MINOR=2
SEQNUM=2457
SUBSYSTEM=scsi_generic
UDEV_LOG=3
USEC_INITIALIZED=187206191702

UDEV  [187206.415602] add      /devices/virtual/bdi/8:16 (bdi)
ACTION=add
DEVPATH=/devices/virtual/bdi/8:16
SEQNUM=2459
SUBSYSTEM=bdi
UDEV_LOG=3
USEC_INITIALIZED=187206415517

UDEV  [187207.651620] add      /devices/pci0000:00/0000:00:1a.2/usb5/5-2/5-2:1.0/host20/target20:0:0/20:0:0:0/block/sdb (block)
ACTION=add
DEVLINKS=/dev/disk/by-id/usb-Kindle_Internal_Storage_B008A0A004972F47-0:0 /dev/disk/by-path/pci-0000:00:1a.2-usb-0:2:1.0-scsi-0:0:0:0
DEVNAME=/dev/sdb
DEVPATH=/devices/pci0000:00/0000:00:1a.2/usb5/5-2/5-2:1.0/host20/target20:0:0/20:0:0:0/block/sdb
DEVTYPE=disk
ID_BUS=usb
ID_INSTANCE=0:0
ID_MEDIA_PLAYER=amazon_kindle
ID_MODEL=Internal_Storage
ID_MODEL_ENC=Internal\x20Storage
ID_MODEL_ID=0004
ID_PART_TABLE_TYPE=dos
ID_PATH=pci-0000:00:1a.2-usb-0:2:1.0-scsi-0:0:0:0
ID_PATH_TAG=pci-0000_00_1a_2-usb-0_2_1_0-scsi-0_0_0_0
ID_REVISION=0100
ID_SERIAL=Kindle_Internal_Storage_B008A0A004972F47-0:0
ID_SERIAL_SHORT=B008A0A004972F47
ID_TYPE=disk
ID_USB_DRIVER=usb-storage
ID_USB_INTERFACES=:080650:
ID_USB_INTERFACE_NUM=00
ID_VENDOR=Kindle
ID_VENDOR_ENC=Kindle\x20\x20
ID_VENDOR_ID=1949
MAJOR=8
MINOR=16
SEQNUM=2460
SUBSYSTEM=block
UDEV_LOG=3
UDISKS_PARTITION_TABLE=1
UDISKS_PARTITION_TABLE_COUNT=1
UDISKS_PARTITION_TABLE_SCHEME=mbr
UDISKS_PRESENTATION_ICON_NAME=multimedia-player
UDISKS_PRESENTATION_NOPOLICY=0
USEC_INITIALIZED=187207646877

UDEV  [187208.204223] add      /devices/pci0000:00/0000:00:1a.2/usb5/5-2/5-2:1.0/host20/target20:0:0/20:0:0:0/block/sdb/sdb1 (block)
ACTION=add
DEVLINKS=/dev/disk/by-id/usb-Kindle_Internal_Storage_B008A0A004972F47-0:0-part1 /dev/disk/by-label/Kindle /dev/disk/by-path/pci-0000:00:1a.2-usb-0:2:1.0-scsi-0:0:0:0-part1 /dev/disk/by-uuid/4E8F-859F
DEVNAME=/dev/sdb1
DEVPATH=/devices/pci0000:00/0000:00:1a.2/usb5/5-2/5-2:1.0/host20/target20:0:0/20:0:0:0/block/sdb/sdb1
DEVTYPE=partition
ID_BUS=usb
ID_FS_LABEL=Kindle
ID_FS_LABEL_ENC=Kindle
ID_FS_TYPE=vfat
ID_FS_USAGE=filesystem
ID_FS_UUID=4E8F-859F
ID_FS_UUID_ENC=4E8F-859F
ID_FS_VERSION=FAT32
ID_INSTANCE=0:0
ID_MEDIA_PLAYER=amazon_kindle
ID_MODEL=Internal_Storage
ID_MODEL_ENC=Internal\x20Storage
ID_MODEL_ID=0004
ID_PART_ENTRY_DISK=8:16
ID_PART_ENTRY_NUMBER=1
ID_PART_ENTRY_OFFSET=16
ID_PART_ENTRY_SCHEME=dos
ID_PART_ENTRY_SIZE=6410672
ID_PART_ENTRY_TYPE=0xb
ID_PART_TABLE_TYPE=dos
ID_PATH=pci-0000:00:1a.2-usb-0:2:1.0-scsi-0:0:0:0
ID_PATH_TAG=pci-0000_00_1a_2-usb-0_2_1_0-scsi-0_0_0_0
ID_REVISION=0100
ID_SERIAL=Kindle_Internal_Storage_B008A0A004972F47-0:0
ID_SERIAL_SHORT=B008A0A004972F47
ID_TYPE=disk
ID_USB_DRIVER=usb-storage
ID_USB_INTERFACES=:080650:
ID_USB_INTERFACE_NUM=00
ID_VENDOR=Kindle
ID_VENDOR_ENC=Kindle\x20\x20
ID_VENDOR_ID=1949
MAJOR=8
MINOR=17
SEQNUM=2461
SUBSYSTEM=block
UDEV_LOG=3
UDISKS_PARTITION=1
UDISKS_PARTITION_ALIGNMENT_OFFSET=0
UDISKS_PARTITION_NUMBER=1
UDISKS_PARTITION_OFFSET=8192
UDISKS_PARTITION_SCHEME=mbr
UDISKS_PARTITION_SIZE=3282264064
UDISKS_PARTITION_SLAVE=/sys/devices/pci0000:00/0000:00:1a.2/usb5/5-2/5-2:1.0/host20/target20:0:0/20:0:0:0/block/sdb
UDISKS_PARTITION_TYPE=0x0b
UDISKS_PRESENTATION_ICON_NAME=multimedia-player
UDISKS_PRESENTATION_NOPOLICY=0
USEC_INITIALIZED=187208203928