Hello,
This is the logs registered with an increased log level:
Jul 6 09:01:21 canis4 slapd[10389]: daemon: read activity on 14 Jul 6 09:01:21 canis4 slapd[10389]: daemon: read activity on 31 Jul 6 09:01:21 canis4 slapd[10389]: daemon: read activity on 44 Jul 6 09:01:21 canis4 slapd[10389]: connection_read(44): input error=-2 id=84, closing. Jul 6 09:01:21 canis4 slapd[10389]: daemon: removing 44 Jul 6 09:01:21 canis4 slapd[10389]: conn=84 fd=44 closed (connection lost)