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

UDEV  [7089.161660] add      /devices/pci0000:00/0000:00:14.0/usb2/2-4 (usb)
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:14.0/usb2/2-4
SUBSYSTEM=usb
DEVNAME=/dev/bus/usb/002/002
DEVTYPE=usb_device
PRODUCT=bc2/2344/712
TYPE=0/0/0
BUSNUM=002
DEVNUM=002
SEQNUM=5459
USEC_INITIALIZED=7089161212
ID_BUS=usb
ID_MODEL=Portable
ID_MODEL_ENC=Portable
ID_MODEL_ID=2344
ID_SERIAL=Seagate_Portable_NB1770MM
ID_SERIAL_SHORT=NB1770MM
ID_VENDOR=Seagate
ID_VENDOR_ENC=Seagate
ID_VENDOR_ID=0bc2
ID_REVISION=0712
ID_USB_MODEL=Portable
ID_USB_MODEL_ENC=Portable
ID_USB_MODEL_ID=2344
ID_USB_SERIAL=Seagate_Portable_NB1770MM
ID_USB_SERIAL_SHORT=NB1770MM
ID_USB_VENDOR=Seagate
ID_USB_VENDOR_ENC=Seagate
ID_USB_VENDOR_ID=0bc2
ID_USB_REVISION=0712
ID_USB_INTERFACES=:080650:080662:
ID_VENDOR_FROM_DATABASE=Seagate RSS LLC
DRIVER=usb
ID_PATH=pci-0000:00:14.0-usb-0:4
ID_PATH_TAG=pci-0000_00_14_0-usb-0_4
ID_FOR_SEAT=usb-pci-0000_00_14_0-usb-0_4
MAJOR=189
MINOR=129
TAGS=:seat:
CURRENT_TAGS=:seat:

UDEV  [7089.191859] add      /bus/usb/drivers/usb-storage (drivers)
ACTION=add
DEVPATH=/bus/usb/drivers/usb-storage
SUBSYSTEM=drivers
SEQNUM=5462
USEC_INITIALIZED=7089191765

UDEV  [7089.191956] add      /module/usb_storage (module)
ACTION=add
DEVPATH=/module/usb_storage
SUBSYSTEM=module
SEQNUM=5463
USEC_INITIALIZED=7089191913

UDEV  [7089.199878] add      /devices/virtual/workqueue/scsi_tmf_0 (workqueue)
ACTION=add
DEVPATH=/devices/virtual/workqueue/scsi_tmf_0
SUBSYSTEM=workqueue
SEQNUM=5464
USEC_INITIALIZED=7089199692

UDEV  [7089.199913] add      /devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4:1.0 (usb)
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4:1.0
SUBSYSTEM=usb
DEVTYPE=usb_interface
PRODUCT=bc2/2344/712
TYPE=0/0/0
INTERFACE=8/6/80
MODALIAS=usb:v0BC2p2344d0712dc00dsc00dp00ic08isc06ip50in00
SEQNUM=5460
USEC_INITIALIZED=7089165930
ID_VENDOR_FROM_DATABASE=Seagate RSS LLC

UDEV  [7089.201578] add      /bus/usb/drivers/uas (drivers)
ACTION=add
DEVPATH=/bus/usb/drivers/uas
SUBSYSTEM=drivers
SEQNUM=5468
USEC_INITIALIZED=7089201499

UDEV  [7089.203368] add      /module/uas (module)
ACTION=add
DEVPATH=/module/uas
SUBSYSTEM=module
SEQNUM=5469
USEC_INITIALIZED=7089203284

UDEV  [7089.205191] bind     /devices/pci0000:00/0000:00:14.0/usb2/2-4 (usb)
ACTION=bind
DEVPATH=/devices/pci0000:00/0000:00:14.0/usb2/2-4
SUBSYSTEM=usb
DEVNAME=/dev/bus/usb/002/002
DEVTYPE=usb_device
DRIVER=usb
PRODUCT=bc2/2344/712
TYPE=0/0/0
BUSNUM=002
DEVNUM=002
SEQNUM=5461
USEC_INITIALIZED=7089161212
ID_BUS=usb
ID_MODEL=Portable
ID_MODEL_ENC=Portable
ID_MODEL_ID=2344
ID_SERIAL=Seagate_Portable_NB1770MM
ID_SERIAL_SHORT=NB1770MM
ID_VENDOR=Seagate
ID_VENDOR_ENC=Seagate
ID_VENDOR_ID=0bc2
ID_REVISION=0712
ID_USB_MODEL=Portable
ID_USB_MODEL_ENC=Portable
ID_USB_MODEL_ID=2344
ID_USB_SERIAL=Seagate_Portable_NB1770MM
ID_USB_SERIAL_SHORT=NB1770MM
ID_USB_VENDOR=Seagate
ID_USB_VENDOR_ENC=Seagate
ID_USB_VENDOR_ID=0bc2
ID_USB_REVISION=0712
ID_USB_INTERFACES=:080650:080662:
ID_VENDOR_FROM_DATABASE=Seagate RSS LLC
ID_PATH=pci-0000:00:14.0-usb-0:4
ID_PATH_TAG=pci-0000_00_14_0-usb-0_4
ID_FOR_SEAT=usb-pci-0000_00_14_0-usb-0_4
MAJOR=189
MINOR=129
TAGS=:seat:
CURRENT_TAGS=:seat:

UDEV  [7089.207014] add      /devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4:1.0/host0 (scsi)
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4:1.0/host0
SUBSYSTEM=scsi
DEVTYPE=scsi_host
SEQNUM=5465
USEC_INITIALIZED=7089206950

UDEV  [7089.208528] add      /devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4:1.0/host0/scsi_host/host0 (scsi_host)
ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4:1.0/host0/scsi_host/host0
SUBSYSTEM=scsi_host
SEQNUM=5466
USEC_INITIALIZED=7089208473

UDEV  [7089.209589] bind     /devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4:1.0 (usb)
ACTION=bind
DEVPATH=/devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4:1.0
SUBSYSTEM=usb
DEVTYPE=usb_interface
DRIVER=uas
PRODUCT=bc2/2344/712
TYPE=0/0/0
INTERFACE=8/6/98
MODALIAS=usb:v0BC2p2344d0712dc00dsc00dp00ic08isc06ip62in00
SEQNUM=5467
USEC_INITIALIZED=7089165930
ID_VENDOR_FROM_DATABASE=Seagate RSS LLC