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

KERNEL[550.386566] remove   /devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.0 (usb)
ACTION=remove
DEVPATH=/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.0
DEVTYPE=usb_interface
INTERFACE=255/0/0
MODALIAS=usb:v0C4Bp0400d0001dc00dsc00dp00icFFisc00ip00in00
PRODUCT=c4b/400/1
SEQNUM=3801
SUBSYSTEM=usb
TYPE=0/0/0

KERNEL[550.387159] unbind   /devices/pci0000:00/0000:00:14.0/usb1/1-1 (usb)
ACTION=unbind
BUSNUM=001
DEVNAME=/dev/bus/usb/001/008
DEVNUM=008
DEVPATH=/devices/pci0000:00/0000:00:14.0/usb1/1-1
DEVTYPE=usb_device
MAJOR=189
MINOR=7
PRODUCT=c4b/400/1
SEQNUM=3802
SUBSYSTEM=usb
TYPE=0/0/0

KERNEL[550.387354] remove   /devices/pci0000:00/0000:00:14.0/usb1/1-1 (usb)
ACTION=remove
BUSNUM=001
DEVNAME=/dev/bus/usb/001/008
DEVNUM=008
DEVPATH=/devices/pci0000:00/0000:00:14.0/usb1/1-1
DEVTYPE=usb_device
MAJOR=189
MINOR=7
PRODUCT=c4b/400/1
SEQNUM=3803
SUBSYSTEM=usb
TYPE=0/0/0

UDEV  [550.390925] remove   /devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.0 (usb)
ACTION=remove
DEVPATH=/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.0
DEVTYPE=usb_interface
ID_MODEL_FROM_DATABASE=cyberJack e-com(a)
ID_VENDOR_FROM_DATABASE=Reiner SCT Kartensysteme GmbH
INTERFACE=255/0/0
MODALIAS=usb:v0C4Bp0400d0001dc00dsc00dp00icFFisc00ip00in00
PRODUCT=c4b/400/1
SEQNUM=3801
SUBSYSTEM=usb
TYPE=0/0/0
USEC_INITIALIZED=497056396

UDEV  [550.392337] unbind   /devices/pci0000:00/0000:00:14.0/usb1/1-1 (usb)
ACTION=unbind
BUSNUM=001
DEVNAME=/dev/bus/usb/001/008
DEVNUM=008
DEVPATH=/devices/pci0000:00/0000:00:14.0/usb1/1-1
DEVTYPE=usb_device
MAJOR=189
MINOR=7
PRODUCT=c4b/400/1
SEQNUM=3802
SUBSYSTEM=usb
TYPE=0/0/0
USEC_INITIALIZED=496527322

UDEV  [550.392678] remove   /devices/pci0000:00/0000:00:14.0/usb1/1-1 (usb)
ACTION=remove
BUSNUM=001
DEVNAME=/dev/bus/usb/001/008
DEVNUM=008
DEVPATH=/devices/pci0000:00/0000:00:14.0/usb1/1-1
DEVTYPE=usb_device
MAJOR=189
MINOR=7
PRODUCT=c4b/400/1
SEQNUM=3803
SUBSYSTEM=usb
TYPE=0/0/0
USEC_INITIALIZED=550388737