Snap for 9841731 from 270cbd67 to udc-d1-release

        // wait until (1) timeout OR

        //            (2) cv is notified AND no pending request matching the |key|

        // (cv notifier should delete pending request before sending notification.)

        bool ret = cv.wait_for(lock, std::chrono::seconds(PENDING_REQUEST_TIMEOUT),

        const bool ret = cv.wait_for(lock, std::chrono::seconds(PENDING_REQUEST_TIMEOUT),

                                [netid, &cache, &key]() REQUIRES(cache_mutex) {

                                    // Must update cache as it could have been deleted

                                    cache = find_named_cache_locked(netid);