--On Thursday, August 29, 2019 9:32 AM +0200 Ulrich Windl
> I've seen this when an attribute is introduced into the
> database that's not part of the built‑in slapd schema. It can be
> harmless in that case.
I grepped for the attribute in external schema files, but didn't find it.
As I found it when querying slapd, I conclude that the definition shown
above must be build into slapd.
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