diff --git a/test/test-network/conf/dhcp-server-veth-peer.network b/test/test-network/conf/dhcp-server-veth-peer.network
index 33d8be3964..f24956fe4e 100644
--- a/test/test-network/conf/dhcp-server-veth-peer.network
+++ b/test/test-network/conf/dhcp-server-veth-peer.network
@@ -2,5 +2,6 @@
 Name=veth-peer
 
 [Network]
+IPv6AcceptRA=no
 Address=2600::1/0
 Address=192.168.5.1/24
diff --git a/test/test-network/conf/dhcp-v4-server-veth-peer.network b/test/test-network/conf/dhcp-v4-server-veth-peer.network
index 3dfc5290ad..4d4a815a65 100644
--- a/test/test-network/conf/dhcp-v4-server-veth-peer.network
+++ b/test/test-network/conf/dhcp-v4-server-veth-peer.network
@@ -2,5 +2,6 @@
 Name=veth-peer
 
 [Network]
+IPv6AcceptRA=no
 Address=192.168.0.1/24
 Address=192.168.5.1/24