Mouse / Keyboard - event processing lagging messages

Mouse / Keyboard - event processing lagging messages
my x.org log shows many of these event processing lagging messages … any idea
I use the zen-kernel but the problem also occurs with the default kernel
but mouse & keyboard work fine (for information I use 3 monitors)

Informationen	[  1791.964] (EE) event3  - Logitech USB Optical Mouse: WARNING: log rate limit exceeded (5 msgs per 60s). Discarding future messages.
Informationen	[  2009.420] (EE) event4  - Logitech USB Keyboard: client bug: event processing lagging behind by 26ms, your system is too slow
Informationen	[  2041.240] (EE) event3  - Logitech USB Optical Mouse: client bug: event processing lagging behind by 15ms, your system is too slow
Informationen	[  2041.340] (EE) event3  - Logitech USB Optical Mouse: client bug: event processing lagging behind by 11ms, your system is too slow
Informationen	[  2181.097] (EE) event3  - Logitech USB Optical Mouse: client bug: event processing lagging behind by 15ms, your system is too slow
Informationen	[  2185.717] (EE) client bug: timer event3 debounce short: scheduled expiry is in the past (-8ms), your system is too slow

Operating System: EndeavourOS
KDE Plasma Version: 5.20.0
KDE Frameworks Version: 5.75.0
Qt Version: 5.15.1
Kernel Version: 5.8.14-zen1-1-zen
OS Type: 64-bit
Processors: 8 × AMD FX™-8350 Eight-Core Processor
Memory: 15.6 GiB of RAM
Graphics Processor: GeForce GT 630/PCIe/SSE2