klari-forendszergazda@klari-laptop:~$ udisks --monitor
Monitoring activity from the disks daemon. Press Ctrl+C to cancel.

When plug in the device:

added:     /org/freedesktop/UDisks/devices/sdb
added:     /org/freedesktop/UDisks/devices/sdb1
job-changed: /org/freedesktop/UDisks/devices/sdb1
changed:     /org/freedesktop/UDisks/devices/sdb1
job-changed: /org/freedesktop/UDisks/devices/sdb1

When eject the device:

job-changed: /org/freedesktop/UDisks/devices/sdb1
changed:     /org/freedesktop/UDisks/devices/sdb1
job-changed: /org/freedesktop/UDisks/devices/sdb1
job-changed: /org/freedesktop/UDisks/devices/sdb
job-changed: /org/freedesktop/UDisks/devices/sdb
changed:     /org/freedesktop/UDisks/devices/sdb
removed:   /org/freedesktop/UDisks/devices/sdb1
changed:     /org/freedesktop/UDisks/devices/sdb

When unplug the device:

removed:   /org/freedesktop/UDisks/devices/sdb