Logs filling with strange error

[Scott Bronson]

Can anyone tell me why my logs are filling with messages
like these?

Jul  5 17:41:08 eden cyrus/lmtpd[28993]: Could not shut down
filedescriptor 0: Bad file descriptor
Jul  5 17:41:08 eden cyrus/lmtpd[28993]: Could not shut down
filedescriptor 1: Bad file descriptor
Jul  5 17:41:08 eden cyrus/lmtpd[28993]: Could not shut down
filedescriptor 2: Bad file descriptor
Jul  5 17:41:09 eden cyrus/imapd[28983]: Could not shut down
filedescriptor 0: Bad file descriptor
Jul  5 17:41:09 eden cyrus/imapd[28983]: Could not shut down
filedescriptor 1: Bad file descriptor
Jul  5 17:41:09 eden cyrus/imapd[28983]: Could not shut down
filedescriptor 2: Bad file descriptor

Why would cyrus even TRY to shut down STDIN, STDOUT, and
STDERR?

    - Scott