Problem is that we are using SLAPD_DEFAULT_ERRORLOG_LEVEL instead of 16384
Really this has been fixed in:
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.