Dec 1 14:58:28 sme-1 slapd[3786]: conn=8 fd=7 ACCEPT from IP=127.0.0.1:32825 (IP=0.0.0.0:389) Dec 1 14:58:28 sme-1 slapd[3786]: conn=8 op=0 BIND dn="" method=128 Dec 1 14:58:28 sme-1 slapd[3786]: conn=8 op=0 RESULT tag=97 err=0 text= Dec 1 14:58:28 sme-1 slapd[3786]: conn=8 op=1 UNBIND Dec 1 14:58:28 sme-1 slapd[3786]: conn=8 fd=7 closed ...Dec 1 15:58:50 sme-1 slapd[3786]: conn=22 fd=7 ACCEPT from IP=127.0.0.1:32866 (IP=0.0.0.0:389) Dec 1 15:58:50 sme-1 slapd[3786]: conn=22 op=0 BIND dn="" method=128 Dec 1 15:58:50 sme-1 slapd[3786]: conn=22 op=0 RESULT tag=97 err=0 text= Dec 1 15:58:50 sme-1 slapd[3786]: conn=22 op=1 UNBIND Dec 1 15:58:50 sme-1 slapd[3786]: conn=22 fd=7 closed
Dec 1 16:31:14 sme-1 slapd[3786]: conn=32 fd=7 ACCEPT from IP=127.0.0.1:32902 (IP=0.0.0.0:389) Dec 1 16:31:14 sme-1 slapd[3786]: conn=32 op=0 BIND dn="" method=128 Dec 1 16:31:14 sme-1 slapd[3786]: conn=32 op=0 RESULT tag=97 err=0 text= Dec 1 16:31:15 sme-1 slapd[3786]: conn=32 op=1 UNBIND Dec 1 16:31:15 sme-1 slapd[3786]: conn=32 fd=7 closed
It disappeared after rebooting the server.