Look at this log:

First day: one poll
Second day: two polls
Third day: three polls
And so on...
.
.
As a professional programmer I consider this behavior as a symptom of a potential bug. Also shouldn't there be only one poll per day?
By the way I also get the NEerrorDomain message which is said to be raised by too frequent framework polls. Coincidence?
Duplicate of #778 and #782. Should be added to the FAQ.
And is now added to the FAQ: https://www.coronawarn.app/en/faq/#multiple_exposure_checks :)