[gun_trailers message] return grpc_error message when stream is broken by etcd server
Merge pull request #35 from zhongwencool/fixed-gun-trailers-unknown [handle gun_trailers message] return grpc_error message when stream is broken by etcd server
Merge pull request #35 from zhongwencool/fixed-gun-trailers-unknown [handle gun_trailers message] return grpc_error message when stream is broken by etcd server