diff --git a/client.go b/client.go
index 9d32a22d..96a872dc 100644
--- a/client.go
+++ b/client.go
@@ -439,6 +439,7 @@ func (c *Client) PerformTransaction(msg *stun.Message, to net.Addr, ignoreResult
 	}
 
 	res := tr.WaitForResult()
+	fmt.Println("PerformTransaction", res)
 	if res.Err != nil {
 		return res, res.Err
 	}
diff --git a/internal/client/allocation.go b/internal/client/allocation.go
index 49b09b63..540c7fd2 100644
--- a/internal/client/allocation.go
+++ b/internal/client/allocation.go
@@ -76,6 +76,7 @@ func (a *allocation) refreshAllocation(lifetime time.Duration, dontWait bool) er
 
 	a.log.Debugf("Send refresh request (dontWait=%v)", dontWait)
 	trRes, err := a.client.PerformTransaction(msg, a.serverAddr, dontWait)
+	fmt.Println("refreshAllocation", trRes, err, dontWait)
 	if err != nil {
 		return fmt.Errorf("%w: %s", errFailedToRefreshAllocation, err.Error())
 	}