Snmp check duration / checkmk as dockercontainer vs. checkmk standalone

no other docker users here? here´s a screenshot from a tcpdump, what you can see is, on the right side (cmk as dockerimage) there are delays between every set of get response an get bulkrequest.

On the left side (cmk as standalone vm), no delays.

In my view, the amount of the delaytime could be the point for timeouts and stale services.

Ideas?