diff --git a/resip/stack/ConnectionManager.cxx b/resip/stack/ConnectionManager.cxx
index b233ac186..5bdd0a628 100644
--- a/resip/stack/ConnectionManager.cxx
+++ b/resip/stack/ConnectionManager.cxx
@@ -244,7 +244,8 @@ unsigned int
 ConnectionManager::gc(uint64_t relThreshold, unsigned int maxToRemove)
 {
    uint64_t curTimeMs = Timer::getTimeMs();
-   uint64_t threshold = curTimeMs - relThreshold;
+   uint64_t threshold = curTimeMs > relThreshold ? curTimeMs - relThreshold : 0;  // Ensure we don't underflow
+
    DebugLog(<< "recycling connections not used in last " << relThreshold/1000.0 << " seconds");
 
    // Look through non-flow-timer connections and close those using the passed in relThreshold
diff --git a/resip/stack/Helper.cxx b/resip/stack/Helper.cxx
index c9742cf38..1d114f042 100644
--- a/resip/stack/Helper.cxx
+++ b/resip/stack/Helper.cxx
@@ -2275,12 +2275,12 @@ unique_ptr<SdpContents> Helper::getSdp(Contents* tree)
 
       if (sdp)
       {
-         DebugLog(<< "Got sdp" << endl);
+         //DebugLog(<< "Got sdp");
          return unique_ptr<SdpContents>(static_cast<SdpContents*>(sdp->clone()));
       }
    }
 
-   //DebugLog(<< "No sdp" << endl);
+   //DebugLog(<< "No sdp");
    return nullptr;
 }