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

UDEV  [1280871609.344102] change   /devices/pci0000:00/0000:00:07.0/host0/target0:0:0/0:0:0:0/block/sda (block)
UDEV_LOG=3
ACTION=change
DEVPATH=/devices/pci0000:00/0000:00:07.0/host0/target0:0:0/0:0:0:0/block/sda
SUBSYSTEM=block
DEVNAME=/dev/sda
DEVTYPE=disk
SEQNUM=1808
ID_ATA=1
ID_TYPE=disk
ID_BUS=ata
ID_MODEL=WDC_WD1500AHFD-00RAR1
ID_MODEL_ENC=WDC\x20WD1500AHFD-00RAR1\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20
ID_REVISION=20.07P02
ID_SERIAL=WDC_WD1500AHFD-00RAR1_WD-WMAP41043226
ID_SERIAL_SHORT=WD-WMAP41043226
ID_ATA_WRITE_CACHE=1
ID_ATA_WRITE_CACHE_ENABLED=1
ID_ATA_FEATURE_SET_HPA=1
ID_ATA_FEATURE_SET_HPA_ENABLED=1
ID_ATA_FEATURE_SET_PM=1
ID_ATA_FEATURE_SET_PM_ENABLED=1
ID_ATA_FEATURE_SET_SECURITY=1
ID_ATA_FEATURE_SET_SECURITY_ENABLED=0
ID_ATA_FEATURE_SET_SECURITY_ERASE_UNIT_MIN=0
ID_ATA_FEATURE_SET_SECURITY_FROZEN=1
ID_ATA_FEATURE_SET_SMART=1
ID_ATA_FEATURE_SET_SMART_ENABLED=1
ID_ATA_FEATURE_SET_AAM=1
ID_ATA_FEATURE_SET_AAM_ENABLED=1
ID_ATA_FEATURE_SET_AAM_VENDOR_RECOMMENDED_VALUE=128
ID_ATA_FEATURE_SET_AAM_CURRENT_VALUE=254
ID_ATA_FEATURE_SET_PUIS=1
ID_ATA_FEATURE_SET_PUIS_ENABLED=0
ID_ATA_DOWNLOAD_MICROCODE=1
ID_ATA_SATA=1
ID_ATA_SATA_SIGNAL_RATE_GEN1=1
ID_SCSI_COMPAT=SATA_WDC_WD1500AHFD-_WD-WMAP41043226
ID_PATH=pci-0000:00:07.0-scsi-0:0:0:0
ID_PART_TABLE_TYPE=dos
UDISKS_PRESENTATION_NOPOLICY=0
UDISKS_PARTITION_TABLE=1
UDISKS_PARTITION_TABLE_SCHEME=mbr
UDISKS_PARTITION_TABLE_COUNT=3
UDISKS_ATA_SMART_IS_AVAILABLE=1
MAJOR=8
MINOR=0
DEVLINKS=/dev/block/8:0 /dev/disk/by-id/ata-WDC_WD1500AHFD-00RAR1_WD-WMAP41043226 /dev/disk/by-id/scsi-SATA_WDC_WD1500AHFD-_WD-WMAP41043226 /dev/disk/by-path/pci-0000:00:07.0-scsi-0:0:0:0

UDEV  [1280871609.764729] change   /devices/pci0000:00/0000:00:08.0/host5/target5:0:0/5:0:0:0/block/sdc (block)
UDEV_LOG=3
ACTION=change
DEVPATH=/devices/pci0000:00/0000:00:08.0/host5/target5:0:0/5:0:0:0/block/sdc
SUBSYSTEM=block
DEVNAME=/dev/sdc
DEVTYPE=disk
SEQNUM=1809
ID_ATA=1
ID_TYPE=disk
ID_BUS=ata
ID_MODEL=WDC_WD10EACS-00D6B0
ID_MODEL_ENC=WDC\x20WD10EACS-00D6B0\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20
ID_REVISION=01.01A10
ID_SERIAL=WDC_WD10EACS-00D6B0_WD-WCAU40193944
ID_SERIAL_SHORT=WD-WCAU40193944
ID_ATA_WRITE_CACHE=1
ID_ATA_WRITE_CACHE_ENABLED=1
ID_ATA_FEATURE_SET_HPA=1
ID_ATA_FEATURE_SET_HPA_ENABLED=1
ID_ATA_FEATURE_SET_PM=1
ID_ATA_FEATURE_SET_PM_ENABLED=1
ID_ATA_FEATURE_SET_SECURITY=1
ID_ATA_FEATURE_SET_SECURITY_ENABLED=0
ID_ATA_FEATURE_SET_SECURITY_ERASE_UNIT_MIN=226
ID_ATA_FEATURE_SET_SECURITY_ENHANCED_ERASE_UNIT_MIN=226
ID_ATA_FEATURE_SET_SECURITY_FROZEN=1
ID_ATA_FEATURE_SET_SMART=1
ID_ATA_FEATURE_SET_SMART_ENABLED=1
ID_ATA_FEATURE_SET_AAM=1
ID_ATA_FEATURE_SET_AAM_ENABLED=0
ID_ATA_FEATURE_SET_AAM_VENDOR_RECOMMENDED_VALUE=128
ID_ATA_FEATURE_SET_AAM_CURRENT_VALUE=254
ID_ATA_FEATURE_SET_PUIS=1
ID_ATA_FEATURE_SET_PUIS_ENABLED=0
ID_ATA_DOWNLOAD_MICROCODE=1
ID_ATA_SATA=1
ID_ATA_SATA_SIGNAL_RATE_GEN2=1
ID_ATA_SATA_SIGNAL_RATE_GEN1=1
ID_WWN=0x50014ee2ac25c9e4
ID_WWN_WITH_EXTENSION=0x50014ee2ac25c9e4
ID_SCSI_COMPAT=SATA_WDC_WD10EACS-00_WD-WCAU40193944
ID_PATH=pci-0000:00:08.0-scsi-1:0:0:0
ID_PART_TABLE_TYPE=dos
UDISKS_PRESENTATION_NOPOLICY=0
UDISKS_PARTITION_TABLE=1
UDISKS_PARTITION_TABLE_SCHEME=mbr
UDISKS_PARTITION_TABLE_COUNT=5
UDISKS_ATA_SMART_IS_AVAILABLE=1
MAJOR=8
MINOR=32
DEVLINKS=/dev/block/8:32 /dev/disk/by-id/ata-WDC_WD10EACS-00D6B0_WD-WCAU40193944 /dev/disk/by-id/scsi-SATA_WDC_WD10EACS-00_WD-WCAU40193944 /dev/disk/by-path/pci-0000:00:08.0-scsi-1:0:0:0 /dev/disk/by-id/wwn-0x50014ee2ac25c9e4

UDEV  [1280871610.416909] change   /devices/pci0000:00/0000:00:07.0/host0/target0:0:0/0:0:0:0/block/sda (block)
UDEV_LOG=3
ACTION=change
DEVPATH=/devices/pci0000:00/0000:00:07.0/host0/target0:0:0/0:0:0:0/block/sda
SUBSYSTEM=block
DEVNAME=/dev/sda
DEVTYPE=disk
SEQNUM=1810
ID_ATA=1
ID_TYPE=disk
ID_BUS=ata
ID_MODEL=WDC_WD1500AHFD-00RAR1
ID_MODEL_ENC=WDC\x20WD1500AHFD-00RAR1\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20
ID_REVISION=20.07P02
ID_SERIAL=WDC_WD1500AHFD-00RAR1_WD-WMAP41043226
ID_SERIAL_SHORT=WD-WMAP41043226
ID_ATA_WRITE_CACHE=1
ID_ATA_WRITE_CACHE_ENABLED=1
ID_ATA_FEATURE_SET_HPA=1
ID_ATA_FEATURE_SET_HPA_ENABLED=1
ID_ATA_FEATURE_SET_PM=1
ID_ATA_FEATURE_SET_PM_ENABLED=1
ID_ATA_FEATURE_SET_SECURITY=1
ID_ATA_FEATURE_SET_SECURITY_ENABLED=0
ID_ATA_FEATURE_SET_SECURITY_ERASE_UNIT_MIN=0
ID_ATA_FEATURE_SET_SECURITY_FROZEN=1
ID_ATA_FEATURE_SET_SMART=1
ID_ATA_FEATURE_SET_SMART_ENABLED=1
ID_ATA_FEATURE_SET_AAM=1
ID_ATA_FEATURE_SET_AAM_ENABLED=1
ID_ATA_FEATURE_SET_AAM_VENDOR_RECOMMENDED_VALUE=128
ID_ATA_FEATURE_SET_AAM_CURRENT_VALUE=254
ID_ATA_FEATURE_SET_PUIS=1
ID_ATA_FEATURE_SET_PUIS_ENABLED=0
ID_ATA_DOWNLOAD_MICROCODE=1
ID_ATA_SATA=1
ID_ATA_SATA_SIGNAL_RATE_GEN1=1
ID_SCSI_COMPAT=SATA_WDC_WD1500AHFD-_WD-WMAP41043226
ID_PATH=pci-0000:00:07.0-scsi-0:0:0:0
ID_PART_TABLE_TYPE=dos
UDISKS_PRESENTATION_NOPOLICY=0
UDISKS_PARTITION_TABLE=1
UDISKS_PARTITION_TABLE_SCHEME=mbr
UDISKS_PARTITION_TABLE_COUNT=3
UDISKS_ATA_SMART_IS_AVAILABLE=1
MAJOR=8
MINOR=0
DEVLINKS=/dev/block/8:0 /dev/disk/by-id/ata-WDC_WD1500AHFD-00RAR1_WD-WMAP41043226 /dev/disk/by-id/scsi-SATA_WDC_WD1500AHFD-_WD-WMAP41043226 /dev/disk/by-path/pci-0000:00:07.0-scsi-0:0:0:0

UDEV  [1280871610.563440] change   /devices/pci0000:00/0000:00:08.0/host4/target4:0:0/4:0:0:0/block/sdb (block)
UDEV_LOG=3
ACTION=change
DEVPATH=/devices/pci0000:00/0000:00:08.0/host4/target4:0:0/4:0:0:0/block/sdb
SUBSYSTEM=block
DEVNAME=/dev/sdb
DEVTYPE=disk
SEQNUM=1811
ID_ATA=1
ID_TYPE=disk
ID_BUS=ata
ID_MODEL=Maxtor_6B300S0
ID_MODEL_ENC=Maxtor\x206B300S0\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20
ID_REVISION=BANC1B07
ID_SERIAL=Maxtor_6B300S0_B616S92H
ID_SERIAL_SHORT=B616S92H
ID_ATA_WRITE_CACHE=1
ID_ATA_WRITE_CACHE_ENABLED=1
ID_ATA_FEATURE_SET_HPA=1
ID_ATA_FEATURE_SET_HPA_ENABLED=1
ID_ATA_FEATURE_SET_PM=1
ID_ATA_FEATURE_SET_PM_ENABLED=1
ID_ATA_FEATURE_SET_SECURITY=1
ID_ATA_FEATURE_SET_SECURITY_ENABLED=0
ID_ATA_FEATURE_SET_SECURITY_ERASE_UNIT_MIN=0
ID_ATA_FEATURE_SET_SECURITY_FROZEN=1
ID_ATA_FEATURE_SET_SMART=1
ID_ATA_FEATURE_SET_SMART_ENABLED=1
ID_ATA_FEATURE_SET_AAM=1
ID_ATA_FEATURE_SET_AAM_ENABLED=1
ID_ATA_FEATURE_SET_AAM_VENDOR_RECOMMENDED_VALUE=192
ID_ATA_FEATURE_SET_AAM_CURRENT_VALUE=254
ID_ATA_FEATURE_SET_APM=1
ID_ATA_FEATURE_SET_APM_ENABLED=1
ID_ATA_FEATURE_SET_APM_CURRENT_VALUE=254
ID_ATA_DOWNLOAD_MICROCODE=1
ID_ATA_SATA=1
ID_ATA_SATA_SIGNAL_RATE_GEN1=1
ID_SCSI_COMPAT=SATA_Maxtor_6B300S0_B616S92H
ID_PATH=pci-0000:00:08.0-scsi-0:0:0:0
ID_PART_TABLE_TYPE=dos
UDISKS_PRESENTATION_NOPOLICY=0
UDISKS_PARTITION_TABLE=1
UDISKS_PARTITION_TABLE_SCHEME=mbr
UDISKS_PARTITION_TABLE_COUNT=1
UDISKS_ATA_SMART_IS_AVAILABLE=1
MAJOR=8
MINOR=16
DEVLINKS=/dev/block/8:16 /dev/disk/by-id/ata-Maxtor_6B300S0_B616S92H /dev/disk/by-id/scsi-SATA_Maxtor_6B300S0_B616S92H /dev/disk/by-path/pci-0000:00:08.0-scsi-0:0:0:0

UDEV  [1280871610.734802] change   /devices/pci0000:00/0000:00:08.0/host5/target5:0:0/5:0:0:0/block/sdc (block)
UDEV_LOG=3
ACTION=change
DEVPATH=/devices/pci0000:00/0000:00:08.0/host5/target5:0:0/5:0:0:0/block/sdc
SUBSYSTEM=block
DEVNAME=/dev/sdc
DEVTYPE=disk
SEQNUM=1812
ID_ATA=1
ID_TYPE=disk
ID_BUS=ata
ID_MODEL=WDC_WD10EACS-00D6B0
ID_MODEL_ENC=WDC\x20WD10EACS-00D6B0\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20
ID_REVISION=01.01A10
ID_SERIAL=WDC_WD10EACS-00D6B0_WD-WCAU40193944
ID_SERIAL_SHORT=WD-WCAU40193944
ID_ATA_WRITE_CACHE=1
ID_ATA_WRITE_CACHE_ENABLED=1
ID_ATA_FEATURE_SET_HPA=1
ID_ATA_FEATURE_SET_HPA_ENABLED=1
ID_ATA_FEATURE_SET_PM=1
ID_ATA_FEATURE_SET_PM_ENABLED=1
ID_ATA_FEATURE_SET_SECURITY=1
ID_ATA_FEATURE_SET_SECURITY_ENABLED=0
ID_ATA_FEATURE_SET_SECURITY_ERASE_UNIT_MIN=226
ID_ATA_FEATURE_SET_SECURITY_ENHANCED_ERASE_UNIT_MIN=226
ID_ATA_FEATURE_SET_SECURITY_FROZEN=1
ID_ATA_FEATURE_SET_SMART=1
ID_ATA_FEATURE_SET_SMART_ENABLED=1
ID_ATA_FEATURE_SET_AAM=1
ID_ATA_FEATURE_SET_AAM_ENABLED=0
ID_ATA_FEATURE_SET_AAM_VENDOR_RECOMMENDED_VALUE=128
ID_ATA_FEATURE_SET_AAM_CURRENT_VALUE=254
ID_ATA_FEATURE_SET_PUIS=1
ID_ATA_FEATURE_SET_PUIS_ENABLED=0
ID_ATA_DOWNLOAD_MICROCODE=1
ID_ATA_SATA=1
ID_ATA_SATA_SIGNAL_RATE_GEN2=1
ID_ATA_SATA_SIGNAL_RATE_GEN1=1
ID_WWN=0x50014ee2ac25c9e4
ID_WWN_WITH_EXTENSION=0x50014ee2ac25c9e4
ID_SCSI_COMPAT=SATA_WDC_WD10EACS-00_WD-WCAU40193944
ID_PATH=pci-0000:00:08.0-scsi-1:0:0:0
ID_PART_TABLE_TYPE=dos
UDISKS_PRESENTATION_NOPOLICY=0
UDISKS_PARTITION_TABLE=1
UDISKS_PARTITION_TABLE_SCHEME=mbr
UDISKS_PARTITION_TABLE_COUNT=5
UDISKS_ATA_SMART_IS_AVAILABLE=1
MAJOR=8
MINOR=32
DEVLINKS=/dev/block/8:32 /dev/disk/by-id/ata-WDC_WD10EACS-00D6B0_WD-WCAU40193944 /dev/disk/by-id/scsi-SATA_WDC_WD10EACS-00_WD-WCAU40193944 /dev/disk/by-path/pci-0000:00:08.0-scsi-1:0:0:0 /dev/disk/by-id/wwn-0x50014ee2ac25c9e4