diff --git a/service-t/native/libs/libnetworkstats/NetworkTraceHandler.cpp b/service-t/native/libs/libnetworkstats/NetworkTraceHandler.cpp
index dc5732f..6aa0fb4 100644
--- a/service-t/native/libs/libnetworkstats/NetworkTraceHandler.cpp
+++ b/service-t/native/libs/libnetworkstats/NetworkTraceHandler.cpp
@@ -101,6 +101,11 @@
 void NetworkTraceHandler::InitPerfettoTracing() {
   perfetto::TracingInitArgs args = {};
   args.backends |= perfetto::kSystemBackend;
+  // The following line disables the Perfetto system consumer. Perfetto inlines
+  // the call to `Initialize` which allows the compiler to see that the branch
+  // with the SystemConsumerTracingBackend is not used. With LTO enabled, this
+  // strips the Perfetto consumer code and reduces the size of this binary by
+  // around 270KB total. Be careful when changing this value.
   args.enable_system_consumer = false;
   perfetto::Tracing::Initialize(args);
   NetworkTraceHandler::RegisterDataSource();
diff --git a/service-t/native/libs/libnetworkstats/NetworkTracePoller.cpp b/service-t/native/libs/libnetworkstats/NetworkTracePoller.cpp
index 5cf6262..3de9897 100644
--- a/service-t/native/libs/libnetworkstats/NetworkTracePoller.cpp
+++ b/service-t/native/libs/libnetworkstats/NetworkTracePoller.cpp
@@ -99,9 +99,14 @@
     ALOGW("Failed to disable tracing: %s", res.error().message().c_str());
   }
 
-  // make sure everything in the system has actually seen the 'false' we just wrote
+  // Make sure everything in the system has actually seen the 'false' we just
+  // wrote, things should now be well and truly disabled.
   synchronizeKernelRCU();
-  // things should now be well and truly disabled
+
+  // Drain remaining events from the ring buffer now that tracing is disabled.
+  // This prevents the next trace from seeing stale events and allows writing
+  // the last batch of events to Perfetto.
+  ConsumeAllLocked();
 
   mTaskRunner.reset();
   mRingBuffer.reset();
diff --git a/tests/cts/net/src/android/net/cts/NsdManagerTest.kt b/tests/cts/net/src/android/net/cts/NsdManagerTest.kt
index 469fdba..db7f38c 100644
--- a/tests/cts/net/src/android/net/cts/NsdManagerTest.kt
+++ b/tests/cts/net/src/android/net/cts/NsdManagerTest.kt
@@ -403,6 +403,13 @@
         // Wait until the link-local address can be used. Address flags are not available without
         // elevated permissions, so check that bindSocket works.
         PollingCheck.check("No usable v6 address on interface after $TIMEOUT_MS ms", TIMEOUT_MS) {
+            // To avoid race condition between socket connection succeeding and interface returning
+            // a non-empty address list. Verify that interface returns a non-empty list, before
+            // trying the socket connection.
+            if (NetworkInterface.getByName(ifaceName).interfaceAddresses.isEmpty()) {
+                return@check false
+            }
+
             val sock = Os.socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP)
             tryTest {
                 network.bindSocket(sock)