tree ca9d4c2a8aefcf9f2c76494246e9ba9da81e81db
parent f874e7640f01e38a43ac7c2f2021ded719fd7cb9
author Juanli Shen <juanlishen@google.com> 1504133710 -0700
committer Juanli Shen <aspirinsjl@gmail.com> 1504133995 -0700

Change PF and RR to expect only backends.