diff --git a/testing/config/kvm/vnet1.xml b/testing/config/kvm/vnet1.xml
index 94097ab6f0..fd7453a5c6 100644
--- a/testing/config/kvm/vnet1.xml
+++ b/testing/config/kvm/vnet1.xml
@@ -1,4 +1,4 @@
-<network>
+<network ipv6='yes'>
   <name>vnet1</name>
   <uuid>1d6ac7c7-60d9-56c1-a7df-210d3d0cc6d1</uuid>
   <forward dev='lo' mode='route'>
diff --git a/testing/config/kvm/vnet2.xml b/testing/config/kvm/vnet2.xml
index b21e7ed1fc..331ffaaeb1 100644
--- a/testing/config/kvm/vnet2.xml
+++ b/testing/config/kvm/vnet2.xml
@@ -1,4 +1,4 @@
-<network>
+<network ipv6='yes'>
   <name>vnet2</name>
   <uuid>b5147a7d-e184-5c9e-3838-4621796ba95c</uuid>
   <forward dev='lo' mode='route'>
diff --git a/testing/config/kvm/vnet3.xml b/testing/config/kvm/vnet3.xml
index f46d9ec093..8b6a4d3ce8 100644
--- a/testing/config/kvm/vnet3.xml
+++ b/testing/config/kvm/vnet3.xml
@@ -1,4 +1,4 @@
-<network>
+<network ipv6='yes'>
   <name>vnet3</name>
   <uuid>5c537abc-c116-90e9-a0ef-886340d4c356</uuid>
   <forward dev='lo' mode='route'>