User reset login subscriber and redirect alter example.

UserResetLoginSubscriber.php

<?php

namespace Drupal\wh_signup\EventSubscriber;

use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
use Symfony\Component\HttpKernel\KernelEvents;

/**
 * For more info check:
 *   - https://www.drupal.org/node/2385923
 *   - https://www.drupal.org/node/2023537
 */
class UserResetLoginSubscriber implements EventSubscriberInterface {

  public function checkRedirection(FilterResponseEvent $event) {
    $response = $event->getResponse();
    $match = $response instanceof RedirectResponse ? self::getRouteMatchFromUri($response->getTargetUrl()) : [];
    if ($macth && $match['_route'] == 'entity.user.edit_form') {
       // Do your stuuf here like redirecting anywhere else
    }
  }

  public static function getRouteMatchFromUri($url = '') {
    $match = [];

    if ($url) {
      $request = Request::create($url);
      $router = \Drupal::service('router.no_access_checks');

      try {
        $match = $router->matchRequest($request);
      }
      catch (\Exception $e) {
        // No route found...
        $match = [];
      }
    }

    return $match;
  }

  static function getSubscribedEvents() {
    $events[KernelEvents::RESPONSE][] = ['checkRedirection'];
    return $events;
  }
}