[danny@mediaarch ~]$ udevadm monitor --property
monitor will print the received events for:
UDEV - the event which udev sends out after rule processing
KERNEL - the kernel uevent

KERNEL[1296948211.099664] change   /devices/pci0000:00/0000:00:0e.0/0000:02:07.0/host1/target1:0:3/1:0:3:0 (scsi)
UDEV_LOG=0
ACTION=change
DEVPATH=/devices/pci0000:00/0000:00:0e.0/0000:02:07.0/host1/target1:0:3/1:0:3:0
SUBSYSTEM=scsi
SDEV_MEDIA_CHANGE=1
DEVTYPE=scsi_device
DRIVER=sr
MODALIAS=scsi:t-0x05
SEQNUM=1402

KERNEL[1296948211.100997] change   /devices/pci0000:00/0000:00:0e.0/0000:02:07.0/host1/target1:0:3/1:0:3:0/block/sr2 (block)
UDEV_LOG=0
ACTION=change
DEVPATH=/devices/pci0000:00/0000:00:0e.0/0000:02:07.0/host1/target1:0:3/1:0:3:0/block/sr2
SUBSYSTEM=block
DEVNAME=sr2
DEVTYPE=disk
SEQNUM=1403
MAJOR=11
MINOR=2

UDEV  [1296948211.101073] change   /devices/pci0000:00/0000:00:0e.0/0000:02:07.0/host1/target1:0:3/1:0:3:0 (scsi)
UDEV_LOG=0
ACTION=change
DEVPATH=/devices/pci0000:00/0000:00:0e.0/0000:02:07.0/host1/target1:0:3/1:0:3:0
SUBSYSTEM=scsi
SDEV_MEDIA_CHANGE=1
DEVTYPE=scsi_device
DRIVER=sr
MODALIAS=scsi:t-0x05
SEQNUM=1402

KERNEL[1296948211.475871] change   /devices/pci0000:00/0000:00:0e.0/0000:02:07.0/host1/target1:0:3/1:0:3:0 (scsi)
UDEV_LOG=0
ACTION=change
DEVPATH=/devices/pci0000:00/0000:00:0e.0/0000:02:07.0/host1/target1:0:3/1:0:3:0
SUBSYSTEM=scsi
SDEV_MEDIA_CHANGE=1
DEVTYPE=scsi_device
DRIVER=sr
MODALIAS=scsi:t-0x05
SEQNUM=1404

UDEV  [1296948211.579662] change   /devices/pci0000:00/0000:00:0e.0/0000:02:07.0/host1/target1:0:3/1:0:3:0/block/sr2 (block)
UDEV_LOG=0
ACTION=change
DEVPATH=/devices/pci0000:00/0000:00:0e.0/0000:02:07.0/host1/target1:0:3/1:0:3:0/block/sr2
SUBSYSTEM=block
DEVNAME=/dev/sr2
DEVTYPE=disk
SEQNUM=1403
ID_CDROM=1
ID_CDROM_MEDIA=1
ID_CDROM_MEDIA_CD=1
ID_CDROM_MEDIA_TRACK_COUNT_DATA=1
ID_SCSI=1
ID_VENDOR=PLEXTOR
ID_VENDOR_ENC=PLEXTOR\x20
ID_MODEL=CD-ROM_PX-32TS
ID_MODEL_ENC=CD-ROM\x20PX-32TS\x20\x20
ID_REVISION=1.03
ID_TYPE=cd
ID_BUS=scsi
ID_PATH=pci-0000:02:07.0-scsi-0:0:3:0
UDISKS_PRESENTATION_NOPOLICY=0
MAJOR=11
MINOR=2
DEVLINKS=/dev/scd2 /dev/disk/by-path/pci-0000:02:07.0-scsi-0:0:3:0 /dev/cd/cdrom-1:0:3:0
TAGS=:udev-acl:

KERNEL[1296948211.583710] change   /devices/pci0000:00/0000:00:0e.0/0000:02:07.0/host1/target1:0:3/1:0:3:0/block/sr2 (block)
UDEV_LOG=0
ACTION=change
DEVPATH=/devices/pci0000:00/0000:00:0e.0/0000:02:07.0/host1/target1:0:3/1:0:3:0/block/sr2
SUBSYSTEM=block
DEVNAME=sr2
DEVTYPE=disk
SEQNUM=1405
MAJOR=11
MINOR=2

UDEV  [1296948211.584527] change   /devices/pci0000:00/0000:00:0e.0/0000:02:07.0/host1/target1:0:3/1:0:3:0 (scsi)
UDEV_LOG=0
ACTION=change
DEVPATH=/devices/pci0000:00/0000:00:0e.0/0000:02:07.0/host1/target1:0:3/1:0:3:0
SUBSYSTEM=scsi
SDEV_MEDIA_CHANGE=1
DEVTYPE=scsi_device
DRIVER=sr
MODALIAS=scsi:t-0x05
SEQNUM=1404

UDEV  [1296948212.094297] change   /devices/pci0000:00/0000:00:0e.0/0000:02:07.0/host1/target1:0:3/1:0:3:0/block/sr2 (block)
UDEV_LOG=0
ACTION=change
DEVPATH=/devices/pci0000:00/0000:00:0e.0/0000:02:07.0/host1/target1:0:3/1:0:3:0/block/sr2
SUBSYSTEM=block
DEVNAME=/dev/sr2
DEVTYPE=disk
SEQNUM=1405
ID_CDROM=1
ID_SCSI=1
ID_VENDOR=PLEXTOR
ID_VENDOR_ENC=PLEXTOR\x20
ID_MODEL=CD-ROM_PX-32TS
ID_MODEL_ENC=CD-ROM\x20PX-32TS\x20\x20
ID_REVISION=1.03
ID_TYPE=cd
ID_BUS=scsi
ID_PATH=pci-0000:02:07.0-scsi-0:0:3:0
UDISKS_PRESENTATION_NOPOLICY=0
MAJOR=11
MINOR=2
DEVLINKS=/dev/scd2 /dev/disk/by-path/pci-0000:02:07.0-scsi-0:0:3:0 /dev/cd/cdrom-1:0:3:0
TAGS=:udev-acl: