@@ -124,7 +124,7 @@ func (d *driver) Run(c *execdriver.Command, pipes *execdriver.Pipes, startCallba

 		dataPath = d.containerDir(c.ID)

 	)

-	if c.Network.NamespacePath == "" && c.Network.ContainerID == "" {

+	if c.Network == nil || (c.Network.NamespacePath == "" && c.Network.ContainerID == "") {

 		return execdriver.ExitStatus{ExitCode: -1}, fmt.Errorf("empty namespace path for non-container network")

 	}

@@ -53,6 +53,7 @@ func (s *DockerSuite) TestRunEchoStdoutWithMemoryLimit(c *check.C) {

 // should run without memory swap

 func (s *DockerSuite) TestRunWithoutMemoryswapLimit(c *check.C) {

+	testRequires(c, NativeExecDriver)

 	runCmd := exec.Command(dockerBinary, "run", "-m", "16m", "--memory-swap", "-1", "busybox", "true")

 	out, _, err := runCommandWithOutput(runCmd)

 	if err != nil {