diff --git a/src/python/devtest/os/be/qemu/Invocation.py b/src/python/devtest/os/be/qemu/Invocation.py
index 9525780..4339de8 100644
--- a/src/python/devtest/os/be/qemu/Invocation.py
+++ b/src/python/devtest/os/be/qemu/Invocation.py
@@ -69,7 +69,7 @@ class Invocation(ABC):
 
     #@abstractmethod
     def _impl_bridge_name(self):
-        return "brdev0"
+        return "brdut0"
 
     #@abstractmethod
     def _impl_bridge_net(self):
diff --git a/src/python/devtest/os/be/qemu/Machine.py b/src/python/devtest/os/be/qemu/Machine.py
index 727ec74..3f29ec3 100644
--- a/src/python/devtest/os/be/qemu/Machine.py
+++ b/src/python/devtest/os/be/qemu/Machine.py
@@ -145,7 +145,7 @@ log running $0 $@
 [ -x $0 ] || chmod u+x $0 || fatal "$0 is not executable"
 exe=`readlink -f $0`
 dirname=`dirname $exe`
-bridge_name=brdev0
+bridge_name=brdut0
 #bridge_name=in1
 base=dc=priv,dc=lcl
 brctl_exe=`PATH=/usr/sbin:/sbin /usr/bin/which brctl`