Custom FOSUB redirects

InteractiveLoginListener.php

<?php

namespace My\Bundle\EventListener;

use My\Bundle\User\User;
use Symfony\Component\Routing\Router;
use Symfony\Component\Security\Http\Event\InteractiveLoginEvent;

class InteractiveLoginListener
{
    /**
     * @var \Symfony\Component\Routing\Router
     */
    private $router;

    /**
     * @param \Symfony\Component\Routing\Router $router
     */
    public function __construct(Router $router)
    {
        $this->router = $router;
    }

    /**
     * @param \Symfony\Component\Security\Http\Event\InteractiveLoginEvent $event
     */
    public function onSecurityInteractiveLogin(InteractiveLoginEvent $event)
    {
        $user = $event->getAuthenticationToken()->getUser(); /** @var \My\Bundle\User\User */
        $request = $event->getRequest(); /** @var \Symfony\Component\HttpFoundation\Request $request  */

        if ($user instanceof User) {
            $request->request->set('_target_path', $this->router->generate('my_custom_route', array('_locale' => 'en')));
        }
    }
}

services.xml

<?xml version="1.0" encoding="UTF-8" ?>

<container xmlns="http://symfony.com/schema/dic/services"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">

    <services>
        <service id="my.security.interactive_login_listener" class="My\Bundle\EventListener\InteractiveLoginListener">
            <argument type="service" id="router" />
            <tag name="kernel.event_listener" event="security.interactive_login" method="onSecurityInteractiveLogin" priority="255" />
        </service>
    </services>

</container>

Setting _target_path is not working for me. Symfony 3.4.18