This might be related to https://bugs.launchpad.net/ubuntu/+source/openldap/+bug/929888
Could you check whether downgrading to openldap libraries 2.4.26 or older fixes the issue?
This might be related to https:/ /bugs.launchpad .net/ubuntu/ +source/ openldap/ +bug/929888
Could you check whether downgrading to openldap libraries 2.4.26 or older fixes the issue?