diff --git a/tests/modules/docker/test_docker_vm.py b/tests/modules/docker/test_docker_vm.py
index e3217413..06778576 100644
--- a/tests/modules/docker/test_docker_vm.py
+++ b/tests/modules/docker/test_docker_vm.py
@@ -740,7 +740,7 @@ def test_add_ubridge_connection_no_free_interface(loop, vm):
     with pytest.raises(DockerError):
 
         # We create fake ethernet interfaces for docker
-        interfaces = ["veth-gns3-ext{}".format(index) for index in range(128)]
+        interfaces = ["veth-gns3-ext{}".format(index) for index in range(4096)]
 
         with patch("psutil.net_if_addrs", return_value=interfaces):
             loop.run_until_complete(asyncio.async(vm._add_ubridge_connection(nio, 0, 42)))