yii2-redis: session_regenerate_id(): Session object destruction failed. ID: user (path: )

This issue has originally been reported by @EvgenyOrekhov at https://github.com/yiisoft/yii2/issues/12821. Moved here by @samdark.

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session_regenerate_id(): Session object destruction failed. ID: user (path: ) after upgrade to 2.0.10.

What steps will reproduce the problem?

1. Add this component config:

   'session' => [
       'class' => 'yii\redis\Session',
       'redis' => [
           'hostname' => 'localhost',
       ],
       'timeout' => 10,
   ],
   

2. Log in to the application.

3. Wait 10 seconds.

4. Refresh the application page.

What is the expected result?

No warning.

What do you get instead?

PHP Warning – yii\base\ErrorException

session_regenerate_id(): Session object destruction failed. ID: user (path: )

1. in vendor/yiisoft/yii2/web/Session.php at line 282

     * Please refer to <http://php.net/session_regenerate_id> for more details.
     * @param boolean $deleteOldSession Whether to delete the old associated session file or not.
     */
    public function regenerateID($deleteOldSession = false)
    {
        if ($this->getIsActive()) {
            // add @ to inhibit possible warning due to race condition
            // https://github.com/yiisoft/yii2/pull/1812
            if (YII_DEBUG && !headers_sent()) {
                session_regenerate_id($deleteOldSession); // <-- line 282
            } else {
                @session_regenerate_id($deleteOldSession);
            }
        }
    }

Additional info

Q	A
Yii version	2.0.10
PHP version	7.0.12
Operating system	Alpine Linux 3.4