Merge pull request #3289 from crosbymichael/add-mtu-option

Allow mtu to be configured at daemon start
Upstream-commit: aa619de748e2337f6bb7aac62c212811ac709c1e
Component: engine

components/engine/integration/utils_test.go

@@ -32,6 +32,7 @@ func mkRuntime(f utils.Fataler) *docker.Runtime {
 	config := &docker.DaemonConfig{
 		Root:        root,
 		AutoRestart: false,
+		Mtu:         docker.DefaultNetworkMtu,
 	}
 	r, err := docker.NewRuntimeFromDirectory(config)
 	if err != nil {