# tail /var/log/Xorg.0.log
[ 75.623] (II) config/udev: Adding input device Logitech USB Multimedia Keyboard (/dev/event2)
[ 75.623] (II) No input driver/identifier specified (ignoring)
[ 1567.667] (II) config/udev: Adding input device Logitech USB-PS/2 Optical Mouse (/dev/mouse0)
[ 1567.667] (II) No input driver/identifier specified (ignoring)
[ 1567.676] (II) config/udev: Adding input device Logitech USB-PS/2 Optical Mouse (/dev/event0)
[ 1567.676] (II) No input driver/identifier specified (ignoring)
[ 1573.794] (II) config/udev: Adding input device Logitech USB Multimedia Keyboard (/dev/event1)
[ 1573.794] (II) No input driver/identifier specified (ignoring)
[ 1573.830] (II) config/udev: Adding input device Logitech USB Multimedia Keyboard (/dev/event2)
[ 1573.830] (II) No input driver/identifier specified (ignoring)
#