Make successful tests silent

License: MIT
Signed-off-by: Filippo Valsorda <valsorda@google.com>

device_test.go

@@ -26,8 +26,8 @@ func TestDevice(t *testing.T) {
 		t.Error("failed to create tun:", err.Error())
 	}
 
-	println(tun1)
-	println(tun2)
+	_ = tun1
+	_ = tun2
 
 	// prepare endpoints
 
@@ -41,8 +41,8 @@ func TestDevice(t *testing.T) {
 		t.Error("failed to create endpoint:", err.Error())
 	}
 
-	println(end1)
-	println(end2)
+	_ = end1
+	_ = end2
 
 	// create binds
 

send.go

@@ -264,8 +264,10 @@ func (device *Device) RoutineReadFromTUN() {
 		size, err := device.tun.device.Read(elem.buffer[:], offset)
 
 		if err != nil {
-			logError.Println("Failed to read packet from TUN device:", err)
-			device.Close()
+			if !device.isClosed.Get() {
+				logError.Println("Failed to read packet from TUN device:", err)
+				device.Close()
+			}
 			return
 		}