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

UDEV  [1287904127.989329] add      /devices/pci0000:00/0000:00:1a.7/usb1/1-6 (usb)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1a.7/usb1/1-6
SUBSYSTEM=usb
DEVNAME=/dev/bus/usb/001/006
DEVTYPE=usb_device
PRODUCT=951/160f/200
TYPE=0/0/0
BUSNUM=001
DEVNUM=006
SEQNUM=1953
ID_VENDOR=Kingston
ID_VENDOR_ENC=Kingston
ID_VENDOR_ID=0951
ID_MODEL=DT_Mini_Slim
ID_MODEL_ENC=DT\x20Mini\x20Slim
ID_MODEL_ID=160f
ID_REVISION=0200
ID_SERIAL=Kingston_DT_Mini_Slim_001A920542E9A8B11FFF49CC
ID_SERIAL_SHORT=001A920542E9A8B11FFF49CC
ID_BUS=usb
ID_USB_INTERFACES=:080650:
MAJOR=189
MINOR=5
DEVLINKS=/dev/char/189:5

UDEV  [1287904127.990203] add      /devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0 (usb)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0
SUBSYSTEM=usb
DEVTYPE=usb_interface
PRODUCT=951/160f/200
TYPE=0/0/0
INTERFACE=8/6/80
MODALIAS=usb:v0951p160Fd0200dc00dsc00dp00ic08isc06ip50
SEQNUM=1954

UDEV  [1287904127.990675] add      /devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0/host14 (scsi)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0/host14
SUBSYSTEM=scsi
DEVTYPE=scsi_host
SEQNUM=1955

UDEV  [1287904127.991046] add      /devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0/host14/scsi_host/host14 (scsi_host)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0/host14/scsi_host/host14
SUBSYSTEM=scsi_host
SEQNUM=1956

UDEV  [1287904128.985342] add      /devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0/host14/target14:0:0 (scsi)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0/host14/target14:0:0
SUBSYSTEM=scsi
DEVTYPE=scsi_target
SEQNUM=1957

UDEV  [1287904128.985705] add      /devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0/host14/target14:0:0/14:0:0:0 (scsi)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0/host14/target14:0:0/14:0:0:0
SUBSYSTEM=scsi
DEVTYPE=scsi_device
MODALIAS=scsi:t-0x00
SEQNUM=1958

UDEV  [1287904128.986402] add      /devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0/host14/target14:0:0/14:0:0:0/scsi_device/14:0:0:0 (scsi_device)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0/host14/target14:0:0/14:0:0:0/scsi_device/14:0:0:0
SUBSYSTEM=scsi_device
SEQNUM=1960

UDEV  [1287904128.987235] add      /devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0/host14/target14:0:0/14:0:0:0/scsi_disk/14:0:0:0 (scsi_disk)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0/host14/target14:0:0/14:0:0:0/scsi_disk/14:0:0:0
SUBSYSTEM=scsi_disk
SEQNUM=1959

UDEV  [1287904128.987410] add      /devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0/host14/target14:0:0/14:0:0:0/scsi_generic/sg1 (scsi_generic)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0/host14/target14:0:0/14:0:0:0/scsi_generic/sg1
SUBSYSTEM=scsi_generic
DEVNAME=/dev/sg1
SEQNUM=1961
MAJOR=21
MINOR=1
DEVLINKS=/dev/char/21:1

UDEV  [1287904128.988296] add      /devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0/host14/target14:0:0/14:0:0:0/bsg/14:0:0:0 (bsg)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0/host14/target14:0:0/14:0:0:0/bsg/14:0:0:0
SUBSYSTEM=bsg
DEVNAME=/dev/bsg/14:0:0:0
SEQNUM=1962
MAJOR=253
MINOR=1
DEVLINKS=/dev/char/253:1

UDEV  [1287904128.988790] change   /devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0/host14/target14:0:0/14:0:0:0 (scsi)
UDEV_LOG=3
ACTION=change
DEVPATH=/devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0/host14/target14:0:0/14:0:0:0
SUBSYSTEM=scsi
SDEV_MEDIA_CHANGE=1
DEVTYPE=scsi_device
DRIVER=sd
MODALIAS=scsi:t-0x00
SEQNUM=1963

UDEV  [1287904129.216185] add      /devices/virtual/bdi/8:16 (bdi)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/virtual/bdi/8:16
SUBSYSTEM=bdi
SEQNUM=1966

UDEV  [1287904129.548754] add      /devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0/host14/target14:0:0/14:0:0:0/block/sdb (block)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0/host14/target14:0:0/14:0:0:0/block/sdb
SUBSYSTEM=block
DEVNAME=/dev/sdb
DEVTYPE=disk
SEQNUM=1964
ID_VENDOR=Kingston
ID_VENDOR_ENC=Kingston
ID_VENDOR_ID=0951
ID_MODEL=DT_Mini_Slim
ID_MODEL_ENC=DT\x20Mini\x20Slim\x20\x20\x20\x20
ID_MODEL_ID=160f
ID_REVISION=1.00
ID_SERIAL=Kingston_DT_Mini_Slim_001A920542E9A8B11FFF49CC-0:0
ID_SERIAL_SHORT=001A920542E9A8B11FFF49CC
ID_TYPE=disk
ID_INSTANCE=0:0
ID_BUS=usb
ID_USB_INTERFACES=:080650:
ID_USB_INTERFACE_NUM=00
ID_USB_DRIVER=usb-storage
ID_PATH=pci-0000:00:1a.7-usb-0:6:1.0-scsi-0:0:0:0
ID_PART_TABLE_TYPE=dos
UDISKS_PRESENTATION_NOPOLICY=0
UDISKS_PARTITION_TABLE=1
UDISKS_PARTITION_TABLE_SCHEME=mbr
UDISKS_PARTITION_TABLE_COUNT=1
MAJOR=8
MINOR=16
DEVLINKS=/dev/block/8:16 /dev/disk/by-id/usb-Kingston_DT_Mini_Slim_001A920542E9A8B11FFF49CC-0:0 /dev/disk/by-path/pci-0000:00:1a.7-usb-0:6:1.0-scsi-0:0:0:0

UDEV  [1287904129.831132] add      /devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0/host14/target14:0:0/14:0:0:0/block/sdb/sdb1 (block)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0/host14/target14:0:0/14:0:0:0/block/sdb/sdb1
SUBSYSTEM=block
DEVNAME=/dev/sdb1
DEVTYPE=partition
SEQNUM=1965
ID_VENDOR=Kingston
ID_VENDOR_ENC=Kingston
ID_VENDOR_ID=0951
ID_MODEL=DT_Mini_Slim
ID_MODEL_ENC=DT\x20Mini\x20Slim\x20\x20\x20\x20
ID_MODEL_ID=160f
ID_REVISION=1.00
ID_SERIAL=Kingston_DT_Mini_Slim_001A920542E9A8B11FFF49CC-0:0
ID_SERIAL_SHORT=001A920542E9A8B11FFF49CC
ID_TYPE=disk
ID_INSTANCE=0:0
ID_BUS=usb
ID_USB_INTERFACES=:080650:
ID_USB_INTERFACE_NUM=00
ID_USB_DRIVER=usb-storage
ID_PATH=pci-0000:00:1a.7-usb-0:6:1.0-scsi-0:0:0:0
ID_PART_TABLE_TYPE=dos
ID_FS_LABEL=mini16GB
ID_FS_LABEL_ENC=mini16GB
ID_FS_UUID=38F7A30C2EA40742
ID_FS_UUID_ENC=38F7A30C2EA40742
ID_FS_TYPE=ntfs
ID_FS_USAGE=filesystem
UDISKS_PRESENTATION_NOPOLICY=0
UDISKS_PARTITION=1
UDISKS_PARTITION_SCHEME=mbr
UDISKS_PARTITION_NUMBER=1
UDISKS_PARTITION_TYPE=0x07
UDISKS_PARTITION_SIZE=16129741824
UDISKS_PARTITION_FLAGS=boot
UDISKS_PARTITION_SLAVE=/sys/devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0/host14/target14:0:0/14:0:0:0/block/sdb
UDISKS_PARTITION_OFFSET=32256
UDISKS_PARTITION_ALIGNMENT_OFFSET=0
MAJOR=8
MINOR=17
DEVLINKS=/dev/block/8:17 /dev/disk/by-id/usb-Kingston_DT_Mini_Slim_001A920542E9A8B11FFF49CC-0:0-part1 /dev/disk/by-path/pci-0000:00:1a.7-usb-0:6:1.0-scsi-0:0:0:0-part1 /dev/disk/by-uuid/38F7A30C2EA40742 /dev/disk/by-label/mini16GB

UDEV  [1287904130.078496] add      /devices/virtual/bdi/8:17-fuseblk (bdi)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/virtual/bdi/8:17-fuseblk
SUBSYSTEM=bdi
SEQNUM=1967