Regression, Frequent logspam of err:(dll/win32/advapi32/service/eventlog.c:144) RpcBindingFree returned 0x6a6

It started to happen somewhen during 0.4.14dev'ing.
It was not happening yet in 0.4.13rls.
Whatever log we look at spams heavily

err:(dll/win32/advapi32/service/eventlog.c:144) RpcBindingFree returned 0x6a6

even during bootup. We should improve. And ideally identify the guilty rev.
Example logfile from 0.4.14-dev-1402-g81e5dbd
I know usually a debug-logging does not justify a bugreport, but really: it's happening too often.