kp_pressed: usage_page 0x07 keycode 0xE1 implicit_mods 0x00 explicit_mods 0x00
kp_pressed: usage_page 0x07 keycode 0x08 implicit_mods 0x00 explicit_mods 0x00
kp_released: usage_page 0x07 keycode 0x08 implicit_mods 0x00 explicit_mods 0x00
kp_released: usage_page 0x07 keycode 0xE1 implicit_mods 0x00 explicit_mods 0x00