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

UDEV  [1257932428.417273] add      /devices/pci0000:00/0000:00:10.4/usb1/1-7 (usb)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:10.4/usb1/1-7
SUBSYSTEM=usb
DEVNAME=/dev/bus/usb/001/008
DEVTYPE=usb_device
DEVICE=/proc/bus/usb/001/008
PRODUCT=204/6025/100
TYPE=0/0/0
BUSNUM=001
DEVNUM=008
SEQNUM=1832
ID_VENDOR=CBM
ID_VENDOR_ENC=CBM\x20\x20\x20\x20\x20
ID_VENDOR_ID=0204
ID_MODEL=Flash_Disk
ID_MODEL_ENC=Flash\x20Disk\x20\x20\x20\x20\x20\x20
ID_MODEL_ID=6025
ID_REVISION=0100
ID_SERIAL=CBM_Flash_Disk_146855585469
ID_SERIAL_SHORT=146855585469
ID_BUS=usb
ID_USB_INTERFACES=:080650:
MAJOR=189
MINOR=7
DEVLINKS=/dev/char/189:7

UDEV  [1257932428.417322] add      /devices/pci0000:00/0000:00:10.4/usb1/1-7/1-7:1.0 (usb)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:10.4/usb1/1-7/1-7:1.0
SUBSYSTEM=usb
DEVTYPE=usb_interface
DEVICE=/proc/bus/usb/001/008
PRODUCT=204/6025/100
TYPE=0/0/0
INTERFACE=8/6/80
MODALIAS=usb:v0204p6025d0100dc00dsc00dp00ic08isc06ip50
SEQNUM=1833

UDEV  [1257932428.417346] add      /devices/pci0000:00/0000:00:10.4/usb1/1-7/1-7:1.0/host11 (scsi)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:10.4/usb1/1-7/1-7:1.0/host11
SUBSYSTEM=scsi
DEVTYPE=scsi_host
SEQNUM=1834

UDEV  [1257932428.417366] add      /devices/pci0000:00/0000:00:10.4/usb1/1-7/1-7:1.0/host11/scsi_host/host11 (scsi_host)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:10.4/usb1/1-7/1-7:1.0/host11/scsi_host/host11
SUBSYSTEM=scsi_host
SEQNUM=1835

UDEV  [1257932433.411337] add      /devices/pci0000:00/0000:00:10.4/usb1/1-7/1-7:1.0/host11/target11:0:0 (scsi)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:10.4/usb1/1-7/1-7:1.0/host11/target11:0:0
SUBSYSTEM=scsi
DEVTYPE=scsi_target
SEQNUM=1836

UDEV  [1257932433.412987] add      /devices/pci0000:00/0000:00:10.4/usb1/1-7/1-7:1.0/host11/target11:0:0/11:0:0:0 (scsi)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:10.4/usb1/1-7/1-7:1.0/host11/target11:0:0/11:0:0:0
SUBSYSTEM=scsi
DEVTYPE=scsi_device
MODALIAS=scsi:t-0x00
SEQNUM=1837

UDEV  [1257932433.414059] add      /devices/pci0000:00/0000:00:10.4/usb1/1-7/1-7:1.0/host11/target11:0:0/11:0:0:0/scsi_device/11:0:0:0 (scsi_device)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:10.4/usb1/1-7/1-7:1.0/host11/target11:0:0/11:0:0:0/scsi_device/11:0:0:0
SUBSYSTEM=scsi_device
SEQNUM=1839

UDEV  [1257932433.414083] add      /devices/pci0000:00/0000:00:10.4/usb1/1-7/1-7:1.0/host11/target11:0:0/11:0:0:0/scsi_disk/11:0:0:0 (scsi_disk)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:10.4/usb1/1-7/1-7:1.0/host11/target11:0:0/11:0:0:0/scsi_disk/11:0:0:0
SUBSYSTEM=scsi_disk
SEQNUM=1838

UDEV  [1257932433.415689] add      /devices/pci0000:00/0000:00:10.4/usb1/1-7/1-7:1.0/host11/target11:0:0/11:0:0:0/scsi_generic/sg3 (scsi_generic)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:10.4/usb1/1-7/1-7:1.0/host11/target11:0:0/11:0:0:0/scsi_generic/sg3
SUBSYSTEM=scsi_generic
DEVNAME=/dev/sg3
SEQNUM=1840
MAJOR=21
MINOR=3
DEVLINKS=/dev/char/21:3

UDEV  [1257932433.418854] change   /devices/pci0000:00/0000:00:10.4/usb1/1-7/1-7:1.0/host11/target11:0:0/11:0:0:0 (scsi)
UDEV_LOG=3
ACTION=change
DEVPATH=/devices/pci0000:00/0000:00:10.4/usb1/1-7/1-7:1.0/host11/target11:0:0/11:0:0:0
SUBSYSTEM=scsi
SDEV_MEDIA_CHANGE=1
DEVTYPE=scsi_device
DRIVER=sd
MODALIAS=scsi:t-0x00
SEQNUM=1841

UDEV  [1257932433.421376] add      /devices/virtual/bdi/8:32 (bdi)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/virtual/bdi/8:32
SUBSYSTEM=bdi
SEQNUM=1844

UDEV  [1257932433.755599] add      /devices/pci0000:00/0000:00:10.4/usb1/1-7/1-7:1.0/host11/target11:0:0/11:0:0:0/block/sdc (block)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:10.4/usb1/1-7/1-7:1.0/host11/target11:0:0/11:0:0:0/block/sdc
SUBSYSTEM=block
DEVNAME=/dev/sdc
DEVTYPE=disk
SEQNUM=1842
ID_VENDOR=CBM
ID_VENDOR_ENC=CBM\x20\x20\x20\x20\x20
ID_VENDOR_ID=0204
ID_MODEL=Flash_Disk
ID_MODEL_ENC=Flash\x20Disk\x20\x20\x20\x20\x20\x20
ID_MODEL_ID=6025
ID_REVISION=4.00
I