Forgot to update logical dns logic

Signed-off-by: Steven Jin Xuan <[email protected]>

source/extensions/clusters/logical_dns/logical_dns_cluster.cc

@@ -152,14 +152,14 @@ void LogicalDnsCluster::startResolve() {
             final_refresh_rate = addrinfo.ttl_;
           }
           if (dns_jitter_ms_.count() != 0) {
-            // Note that `parent_.random_.random()` returns a uint64 while
-            // `parent_.dns_jitter_ms_.count()` returns a signed long that gets cast into a uint64.
+            // Note that `random_.random()` returns a uint64 while
+            // `dns_jitter_ms_.count()` returns a signed long that gets cast into a uint64.
             // Thus, the modulo of the two will be a positive as long as
-            // `parent_dns_jitter_ms_.count()` is positive.
+            // `dns_jitter_ms_.count()` is positive.
             // It is important that this be positive, otherwise `final_refresh_rate` could be
             // negative causing Envoy to crash.
             final_refresh_rate +=
-                std::chrono::abs(std::chrono::milliseconds(random_.random()) % dns_jitter_ms_);
+                std::chrono::milliseconds(random_.random() % dns_jitter_ms_.count());
           }
           ENVOY_LOG(debug, "DNS refresh rate reset for {}, refresh rate {} ms", dns_address_,
                     final_refresh_rate.count());