monitor will print the received events for: UDEV - the event which udev sends out after rule processing KERNEL - the kernel uevent KERNEL[1270658863.018501] change /devices/pci0000:00/0000:00:1f.1/host6/target6:0:1/6:0:1:0 (scsi) UDEV_LOG=3 ACTION=change DEVPATH=/devices/pci0000:00/0000:00:1f.1/host6/target6:0:1/6:0:1:0 SUBSYSTEM=scsi SDEV_MEDIA_CHANGE=1 DEVTYPE=scsi_device DRIVER=sr MODALIAS=scsi:t-0x05 SEQNUM=3528 KERNEL[1270658863.018759] change /devices/pci0000:00/0000:00:1f.1/host6/target6:0:1/6:0:1:0/block/sr1 (block) UDEV_LOG=3 ACTION=change DEVPATH=/devices/pci0000:00/0000:00:1f.1/host6/target6:0:1/6:0:1:0/block/sr1 SUBSYSTEM=block DEVNAME=sr1 DEVTYPE=disk SEQNUM=3529 MAJOR=11 MINOR=1 UDEV [1270658863.018847] change /devices/pci0000:00/0000:00:1f.1/host6/target6:0:1/6:0:1:0 (scsi) UDEV_LOG=3 ACTION=change DEVPATH=/devices/pci0000:00/0000:00:1f.1/host6/target6:0:1/6:0:1:0 SUBSYSTEM=scsi SDEV_MEDIA_CHANGE=1 DEVTYPE=scsi_device DRIVER=sr MODALIAS=scsi:t-0x05 SEQNUM=3528 UDEV [1270658863.028516] change /devices/pci0000:00/0000:00:1f.1/host6/target6:0:1/6:0:1:0/block/sr1 (block) UDEV_LOG=3 ACTION=change DEVPATH=/devices/pci0000:00/0000:00:1f.1/host6/target6:0:1/6:0:1:0/block/sr1 SUBSYSTEM=block DEVNAME=/dev/sr1 DEVTYPE=disk SEQNUM=3529 ID_VENDOR=HL-DT-ST ID_VENDOR_ENC=HL-DT-ST ID_MODEL=DVD+-RW_GSA-H21N ID_MODEL_ENC=DVD+-RW\x20GSA-H21N ID_REVISION=B109 ID_TYPE=cd ID_BUS=scsi ID_PATH=pci-0000:00:1f.1-scsi-0:0:1:0 DKD_PRESENTATION_NOPOLICY=0 MAJOR=11 MINOR=1 DEVLINKS=/dev/block/11:1 /dev/scd1 /dev/disk/by-path/pci-0000:00:1f.1-scsi-0:0:1:0