oskar@oskar-ThinkPad-T410 ~ $ udevadm monitor
monitor will print the received events for:
UDEV - the event which udev sends out after rule processing
KERNEL - the kernel uevent

KERNEL[130.725628] change   /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:09/PNP0C09:00/PNP0C0A:00/power_supply/BAT0 (power_supply)
UDEV  [130.727882] change   /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:09/PNP0C09:00/PNP0C0A:00/power_supply/BAT0 (power_supply)
KERNEL[130.740260] change   /devices/pci0000:00/0000:00:02.0/drm/card0 (drm)
UDEV  [130.742324] change   /devices/pci0000:00/0000:00:02.0/drm/card0 (drm)
KERNEL[131.225593] change   /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:09/PNP0C09:00/ACPI0003:00/power_supply/AC (power_supply)
UDEV  [131.228206] change   /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:09/PNP0C09:00/ACPI0003:00/power_supply/AC (power_supply)
KERNEL[152.086545] change   /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:09/PNP0C09:00/PNP0C0A:00/power_supply/BAT0 (power_supply)
UDEV  [152.088603] change   /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:09/PNP0C09:00/PNP0C0A:00/power_supply/BAT0 (power_supply)
KERNEL[152.256685] change   /devices/pci0000:00/0000:00:02.0/drm/card0 (drm)
UDEV  [152.258750] change   /devices/pci0000:00/0000:00:02.0/drm/card0 (drm)
KERNEL[152.580921] change   /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:09/PNP0C09:00/ACPI0003:00/power_supply/AC (power_supply)
UDEV  [152.582972] change   /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:09/PNP0C09:00/ACPI0003:00/power_supply/AC (power_suppl