winbind メッセージ winbind[xxxx]: write_data: write failure. Error = Connection reset by peer が生成される

Issue

• 以下のようなログメッセージが出力されるのはなぜですか?

Feb 26 22:00:01 Server1 winbindd[4525]:[2012/02/26 22:00:01, 0] lib/util_sock.c:write_data(564)
Feb 26 22:00:01 Server1 winbindd[4525]:   write_data: write failure.Error = Connection reset by peer
Feb 26 22:00:01 Server1 winbindd[4525]:[2012/02/26 22:00:01, 0] libsmb/clientgen.c:write_socket(158)
Feb 26 22:00:01 Server1 winbindd[4525]:   write_socket:Error writing 238 bytes to socket 20:ERRNO =
Connection reset by peer