README: add KeepaliveParameters hint to FAQ (#3465)
README: add KeepaliveParameters hint to FAQ (#3465)

This error can happen when long lived streams are used
together with KeepaliveParameters that regularly
shut down existing connections.
dfawley/grpc-go,grpc/grpc-go,grpc/grpc-go,menghanl/grpc-go,dfawley/grpc-go,menghanl/grpc-go,stanley-cheung/grpc-go,stanley-cheung/grpc-go