Patch-Elasticsearch-bulk-errors.patch

--- src/Elasticsearch/Connections/Connection.orig.php	2021-02-11 14:04:51.000000000 +0300
+++ src/Elasticsearch/Connections/Connection.php	2021-12-21 14:50:04.268695665 +0300
@@ -338,6 +338,13 @@
 
                         // No error, deserialize
                         $response['body'] = $this->serializer->deserialize($response['body'], $response['transfer_stats']);
+
+                        // patch - https://github.com/elastic/elasticsearch-php/issues/1123
+                        if ($response['body']['errors'] ?? null) {
+                            $exception = new BadRequest400Exception();
+                            $this->logRequestFail($request, $response, $exception);
+                            throw $exception;
+                        }
                     }
                     $this->logRequestSuccess($request, $response);