Second argument of substr is the length of the substring, _not_ the position. With positions, it's better to do like this.
Example:
```sh
[2023-01-29 13:08:00.927] [debug] hyprland IPC received activelayout>>ITE Tech. Inc. ITE Device(8910) Keyboard,Russian (with Ukrainian-Belorussian layout)
[2023-01-29 13:08:00.927] [debug] kbName is ITE Tech. Inc. ITE Device(8910) Keyboard,Russian (with
```
After the fix it's correct:
```sh
[2023-01-29 13:11:11.408] [debug] hyprland IPC received activelayout>>ITE Tech. Inc. ITE Device(8910) Keyboard,Russian (with Ukrainian-Belorussian layout)
[2023-01-29 13:11:11.408] [debug] kbName is ITE Tech. Inc. ITE Device(8910) Keyboard
```