We should upgrade anyway, but
https://github.com/grpc/grpc-go/pull/2045


prevents the use of proxies such as nginx
from working with Fabric nodes.

Change-Id: I3dc8af85ede23548f26c8fc38f984b94f6cc4e4b
Signed-off-by: Gari Singh <gari.r.singh@gmail.com>