confd version : 6.4.3
==31535== 520 bytes in 1 blocks are definitely lost in loss record 152,460 of 152,743
==31535== at 0x7A5BB2D: malloc (vg_replace_malloc.c:298)
==31535== by 0x7A5DAF9: realloc (vg_replace_malloc.c:785)
==31535== by 0x200F7DC: get_lasterr
==31535== by 0x200F83A: confd_lasterr
==31535== by 0x200F95D: clr_confd_err
==31535== by 0x2001537: op_request_term
==31535== by 0x1FFB203: cdb_start_session2
session is already closed with cdb_end_session.