udevadm monitor --udev
monitor will print the received events for:
UDEV - the event which udev sends out after rule processing
UDEV [1375.242525] add /class/usbmisc (class)
UDEV [1375.248230] add /devices/pci0000:00/0000:00:14.0/usb1/1-3 (usb)
UDEV [1375.251913] add /devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.0 (usb)
UDEV [1375.253373] add /devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.0/usbmisc/lp0 (usbmisc)
UDEV [1375.253933] add /devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.2 (usb)
UDEV [1375.256389] add /devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.2/host4 (scsi)
UDEV [1375.257183] add /devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.2/host4/scsi_host/host4 (scsi_host)
UDEV [1375.257225] add /devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.1 (usb)
UDEV [1376.251751] add /devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.2/host4/target4:0:0 (scsi)
UDEV [1376.252870] add /devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.2/host4/target4:0:0/4:0:0:0 (scsi)
UDEV [1376.254477] add /devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.2/host4/target4:0:0/4:0:0:0/scsi_disk/4:0:0:0 (scsi_disk)
UDEV [1376.255403] add /devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.2/host4/target4:0:0/4:0:0:0/scsi_generic/sg2 (scsi_generic)
UDEV [1376.256154] add /devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.2/host4/target4:0:0/4:0:0:0/scsi_device/4:0:0:0 (scsi_device)
UDEV [1376.256812] add /devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.2/host4/target4:0:0/4:0:0:0/bsg/4:0:0:0 (bsg)
UDEV [1376.271128] add /devices/virtual/bdi/8:16 (bdi)
UDEV [1376.472696] add /devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.2/host4/target4:0:0/4:0:0:0/block/sdb (block)
UDEV [1376.613948] change /devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.2/host4/target4:0:0/4:0:0:0/block/sdb (block)
UDEV [1380.317001] remove /devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.0/usbmisc/lp0 (usbmisc)
UDEV [1380.317713] remove /usbmisc (class)
UDEV [1380.323528] add /class/usbmisc (class)
UDEV [1380.325351] add /devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.0/usbmisc/lp0 (usbmisc)