only in patch2:
unchanged:
--- a/core/modules/content_translation/content_translation.install
+++ b/core/modules/content_translation/content_translation.install
@@ -29,3 +29,10 @@ function content_translation_enable() {
   $message = t('<a href=":settings_url">Enable translation</a> for <em>content types</em>, <em>taxonomy vocabularies</em>, <em>accounts</em>, or any other element you wish to translate.', $t_args);
   drupal_set_message($message, 'warning');
 }
+
+/**
+ * Rebuild the routes as the content translation routes have now new names.
+ */
+function content_translation_update_8001() {
+  \Drupal::service('router.builder')->rebuild();
+}
only in patch2:
unchanged:
--- /dev/null
+++ b/core/modules/language/language.install
@@ -0,0 +1,13 @@
+<?php
+
+/**
+ * @file
+ * Update functions for Language module.
+ */
+
+/**
+ * Rebuild the container as services changed.
+ */
+function language_update_8001() {
+  \Drupal::service('kernel')->invalidateContainer();
+}