Merge pull request #34611 from estesp/no-hostmode-userns

Host-mode IPC sharing not possible in a userns

integration-cli/docker_api_ipcmode_test.go

@@ -188,7 +188,7 @@ func (s *DockerSuite) TestAPIIpcModePrivateAndContainer(c *check.C) {
  * can use IPC of the host system.
  */
 func (s *DockerSuite) TestAPIIpcModeHost(c *check.C) {
-	testRequires(c, DaemonIsLinux)
+	testRequires(c, DaemonIsLinux, NotUserNamespace)
 
 	cfg := container.Config{
 		Image: "busybox",