React Fragment warning

Invalid prop `className` supplied to `React.Fragment`. React.Fragment can only have `key` and `children` props

HTML

<div id="root"></div>

React

class App extends React.Component {
  render() {
    return (
      <div>
        <Foo className="foo"  />
      </div>
    );
  }
}

class Foo extends React.Component {
	render() {
    return (
      <div>
        <React.Fragment {...this.props} >
         Hello
        </React.Fragment>
      </div>
    );
  }
}

ReactDOM.render(<App />, document.getElementById('root'));