     <console type="pty">
       <target type="virtio" port="1"/>
     </console>
-    <channel type="pipe">
+    <channel type="null">
       <source path="/tmp/guestfwd"/>
       <target type="guestfwd" address="10.0.2.1" port="4600"/>
     </channel>

Domain 'test-for-virtxml' defined successfully.
Changes will take effect after the domain is fully powered off.