Why got such message

[Peica Chen]

Hi, 

I am using the SSL with GRPC++. And when the client call and exit the program, i got such message. If it means the GRPC++ not close the FD gracefully?

E0730 11:03:20.106165800   99651 chttp2_transport.c:1810]    close_transport: {"created":"@1469847800.106037984","description":"Secure read failed","file":"src/core/lib/security/transport/secure_endpoint.c","file_line":157,"referenced_errors":[{"created":"@1469847800.106017650","description":"FD shutdown","file":"src/core/lib/iomgr/ev_poll_posix.c","file_line":427}]}