dbus-monitor --system 
signal sender=org.freedesktop.DBus -> dest=:1.21 path=/org/freedesktop/DBus; interface=org.freedesktop.DBus; member=NameAcquired
   string ":1.21"
signal sender=:1.0 -> dest=(null destination) path=/org/freedesktop/Hal/Manager; interface=org.freedesktop.Hal.Manager; member=DeviceAdded
   string "/org/freedesktop/Hal/devices/usb_device_4b4_6830_100000047133"
signal sender=:1.0 -> dest=(null destination) path=/org/freedesktop/Hal/Manager; interface=org.freedesktop.Hal.Manager; member=DeviceAdded
   string "/org/freedesktop/Hal/devices/usb_device_4b4_6830_100000047133_if0"
signal sender=:1.0 -> dest=(null destination) path=/org/freedesktop/Hal/Manager; interface=org.freedesktop.Hal.Manager; member=DeviceAdded
   string "/org/freedesktop/Hal/devices/usb_device_4b4_6830_100000047133_if0_scsi_host"
signal sender=:1.0 -> dest=(null destination) path=/org/freedesktop/Hal/Manager; interface=org.freedesktop.Hal.Manager; member=DeviceAdded
   string "/org/freedesktop/Hal/devices/usb_device_4b4_6830_100000047133_usbraw"
signal sender=:1.0 -> dest=(null destination) path=/org/freedesktop/Hal/Manager; interface=org.freedesktop.Hal.Manager; member=DeviceAdded
   string "/org/freedesktop/Hal/devices/usb_device_4b4_6830_100000047133_if0_scsi_host_scsi_device_lun0"
signal sender=:1.0 -> dest=(null destination) path=/org/freedesktop/Hal/Manager; interface=org.freedesktop.Hal.Manager; member=DeviceAdded
   string "/org/freedesktop/Hal/devices/usb_device_4b4_6830_100000047133_if0_scsi_host_scsi_device_lun0_scsi_generic"