diff --git a/core/modules/aggregator/aggregator.module b/core/modules/aggregator/aggregator.module
index 75cfe56..92549f3 100644
--- a/core/modules/aggregator/aggregator.module
+++ b/core/modules/aggregator/aggregator.module
@@ -156,21 +156,21 @@ function aggregator_default_menu_links() {
   $links['aggregator.admin_overview'] = array(
     'link_title' => 'Feed aggregator',
     'description' => "Configure which content your site aggregates from other sites, how often it polls them, and how they're categorized.",
-    'route_name' => 'aggregator_admin_overview',
+    'route_name' => 'aggregator.admin_overview',
     'weight' => 10,
   );
   $links['aggregator'] = array(
     'link_title' => 'Feed aggregator',
     'weight' => 5,
-    'route_name' => 'aggregator_page_last',
+    'route_name' => 'aggregator.page_last',
   );
   $links['aggregator.sources'] = array(
     'link_title' => 'Sources',
-    'route_name' => 'aggregator_sources',
+    'route_name' => 'aggregator.sources',
   );
   $links['aggregator.categories'] = array(
     'link_title' => 'Categories',
-    'route_name' => 'aggregator_categories',
+    'route_name' => 'aggregator.categories',
   );
 
   return $links;
diff --git a/core/modules/block/block.module b/core/modules/block/block.module
index 8d14b83..1e3e833 100644
--- a/core/modules/block/block.module
+++ b/core/modules/block/block.module
@@ -120,7 +120,7 @@ function block_default_menu_links() {
     'link_title' => 'Blocks',
     'parent' => 'admin.structure',
     'description' => 'Configure what block content appears in your site\'s sidebars and other regions.',
-    'route_name' => 'block_admin_display',
+    'route_name' => 'block.admin_display',
   );
 
   return $links;
diff --git a/core/modules/comment/comment.module b/core/modules/comment/comment.module
index e087840..90eb5a1 100644
--- a/core/modules/comment/comment.module
+++ b/core/modules/comment/comment.module
@@ -233,7 +233,7 @@ function comment_menu() {
 function comment_default_menu_links() {
   $links['admin.content.comment'] = array(
     'link_title' => 'Comments',
-    'link_path' => 'admin/content/comment',
+    'route_name' => 'comment.admin',
     'parent' => 'admin.content',
     'description' => 'List and edit site comments and the comment approval queue.',
   );
diff --git a/core/modules/contact/contact.module b/core/modules/contact/contact.module
index affc952..2a724b4 100644
--- a/core/modules/contact/contact.module
+++ b/core/modules/contact/contact.module
@@ -102,12 +102,12 @@ function contact_default_menu_links() {
     'link_title' => 'Contact form categories',
     'parent' => 'admin.structure',
     'description' => 'Create a system contact form and set up categories for the form to use.',
-    'route_name' => 'contact_category_list',
+    'route_name' => 'contact.category_list',
   );
 
   $links['contact'] = array(
     'link_title' => 'Contact',
-    'link_path' => 'contact',
+    'route_name' => 'contact.site_page',
     'menu_name' => 'footer',
     'type' => MENU_SUGGESTED_ITEM,
   );
diff --git a/core/modules/dblog/dblog.module b/core/modules/dblog/dblog.module
index 3f69a3f..3abe865 100644
--- a/core/modules/dblog/dblog.module
+++ b/core/modules/dblog/dblog.module
@@ -80,26 +80,26 @@ function dblog_default_menu_links() {
     'link_title' => 'Recent log messages',
     'parent' => 'admin.reports',
     'description' => 'View events that have recently been logged.',
-    'route_name' => 'dblog_overview',
+    'route_name' => 'dblog.overview',
     'weight' => -1,
   );
   $links['admin.reports.page-not-found'] = array(
     'link_title' => "Top 'page not found' errors",
-    'link_path' => 'admin/reports/page-not-found',
+    'route_name' => 'dblog.page_not_found',
     'parent' => 'admin.reports',
     'description' => "View 'page not found' errors (404s).",
   );
   $links['admin.reports.access-denied'] = array(
     'link_title' => "Top 'access denied' errors",
-    'link_path' => 'admin/reports/access-denied',
+    'route_name' => 'dblog.access_denied',
     'description' => "View 'access denied' errors (403s).",
     'parent' => 'admin.reports',
   );
 
-  if (module_exists('search')) {
+  if (\Drupal::moduleHandler()->moduleExists('search')) {
     $links['admin.reports.search'] = array(
       'link_title' => 'Top search phrases',
-      'link_path' => 'admin/reports/search',
+      'route_name' => 'dblog.search',
       'description' => 'View most popular search phrases.',
       'parent' => 'admin.reports',
     );
diff --git a/core/modules/filter/filter.module b/core/modules/filter/filter.module
index da936c8..31da694 100644
--- a/core/modules/filter/filter.module
+++ b/core/modules/filter/filter.module
@@ -159,14 +159,14 @@ function filter_default_menu_links() {
   $links['filter.tips'] = array(
     'link_title' => 'Compose tips',
     'type' => MENU_SUGGESTED_ITEM,
-    'route_name' => 'filter_tips_all',
+    'route_name' => 'filter.tips_all',
   );
 
   $links['admin.config.content.formats'] = array(
     'link_title' => 'Text formats',
     'parent' => 'admin.config.content',
     'description' => 'Configure how content input by users is filtered, including allowed HTML tags. Also allows enabling of module-provided filters.',
-    'route_name' => 'filter_admin_overview',
+    'route_name' => 'filter.admin_overview',
   );
 
   return $links;
diff --git a/core/modules/menu/menu.module b/core/modules/menu/menu.module
index 32a0479..577c973 100644
--- a/core/modules/menu/menu.module
+++ b/core/modules/menu/menu.module
@@ -108,7 +108,7 @@ function menu_default_menu_links() {
   $links['admin.structure.menu'] = array(
     'link_title' => 'Menus',
     'description' => 'Add new menus to your site, edit existing menus, and rename and reorganize menu links.',
-    'route_name' => 'menu_overview_page',
+    'route_name' => 'menu.overview_page',
     'parent' => 'admin.structure',
   );
   return $links;
diff --git a/core/modules/node/node.module b/core/modules/node/node.module
index 30b13e9..b173f16 100644
--- a/core/modules/node/node.module
+++ b/core/modules/node/node.module
@@ -996,7 +996,7 @@ function node_menu() {
 function node_default_menu_links() {
   $links['admin.content'] = array(
     'link_title' => 'Content',
-    'link_path' => 'admin/content',
+    'route_name' => 'node.content_overview',
     'parent' => 'admin',
     'description' => 'Find and manage content.',
   );
@@ -1005,11 +1005,11 @@ function node_default_menu_links() {
     'link_title' => 'Content types',
     'parent' => 'admin.structure',
     'description' => 'Manage content types, including default status, front page promotion, comment settings, etc.',
-    'route_name' => 'node_overview_types',
+    'route_name' => 'node.overview_types',
   );
   $links['node.add'] = array(
     'link_title' => 'Add content',
-    'link_path' => 'node/add',
+    'route_name' => 'node.add_page',
   );
   return $links;
 }
diff --git a/core/modules/search/search.module b/core/modules/search/search.module
index a9320f8..99510d9 100644
--- a/core/modules/search/search.module
+++ b/core/modules/search/search.module
@@ -152,14 +152,14 @@ function search_preprocess_block(&$variables) {
 function search_default_menu_links() {
   $links['search'] = array(
     'link_title' => 'Search',
-    'link_path' => 'search',
+    'route_name' => 'search.view',
     'type' => MENU_SUGGESTED_ITEM,
   );
   $links['admin.config.search.settings'] = array(
     'link_title' => 'Search settings',
     'parent' => 'admin.config.search',
     'description' => 'Configure relevance settings for search and other indexing options.',
-    'route_name' => 'search_settings',
+    'route_name' => 'search.settings',
     'weight' => -10,
   );
 
diff --git a/core/modules/system/system.module b/core/modules/system/system.module
index da8368a..043322c 100644
--- a/core/modules/system/system.module
+++ b/core/modules/system/system.module
@@ -818,14 +818,14 @@ function system_default_menu_links() {
 
   $items['admin'] = array(
     'link_title' => 'Administration',
-    'link_path' => 'admin',
+    'route_name' => 'system.admin',
     'weight' => 9,
     'menu_name' => 'admin',
   );
 
   // Menu items that are basically just menu blocks.
   $items['admin.structure'] = array(
-    'link_path' => 'admin/structure',
+    'route_name' => 'system.admin_structure',
     'parent' => 'admin',
     'description' => 'Administer blocks, content types, menus, etc.',
     'link_title' => 'Structure',
@@ -833,7 +833,7 @@ function system_default_menu_links() {
   );
   // Appearance.
   $items['admin.appearance'] = array(
-    'link_path' => 'admin/appearance',
+    'route_name' => 'system.themes_page',
     'link_title' => 'Appearance',
     'parent' => 'admin',
     'weight' => -6,
@@ -855,7 +855,7 @@ function system_default_menu_links() {
 
   // Media settings.
   $items['admin.config.media'] = array(
-    'link_path' => 'admin/config/media',
+    'route_name' => 'system.admin_config_media',
     'parent' => 'admin.config',
     'link_title' => 'Media',
     'weight' => -10,
@@ -878,7 +878,7 @@ function system_default_menu_links() {
   $items['admin.config.services'] = array(
     'link_title' => 'Web services',
     'parent' => 'admin.config',
-    'link_path' => 'admin/config/services',
+    'route_name' => 'system.admin_config_services',
     'weight' => 0,
   );
   $items['admin.config.services.rss-publishing'] = array(
@@ -890,7 +890,7 @@ function system_default_menu_links() {
 
   // Development settings.
   $items['admin.config.development'] = array(
-    'link_path' => 'admin/config/development',
+    'route_name' => 'system.admin_config_development',
     'parent' => 'admin.config',
     'link_title' => 'Development',
     'description' => 'Development tools.',
@@ -920,7 +920,7 @@ function system_default_menu_links() {
 
   // Regional and date settings.
   $items['admin.config.regional'] = array(
-    'link_path' => 'admin/config/regional',
+    'route_name' => 'system.admin_config_regional',
     'link_title' => 'Regional and language',
     'parent' => 'admin.config',
     'description' => 'Regional settings, localization and translation.',
@@ -944,7 +944,7 @@ function system_default_menu_links() {
   // Search settings.
   $items['admin.config.search'] = array(
     'link_title' => 'Search and metadata',
-    'link_path' => 'admin/config/search',
+    'route_name' => 'system.admin_config_search',
     'parent' => 'admin.config',
     'description' => 'Local site search, metadata and SEO.',
     'weight' => -10,
@@ -975,21 +975,21 @@ function system_default_menu_links() {
   // Additional categories
   $items['admin.config.user-interface'] = array(
     'link_title' => 'User interface',
-    'link_path' => 'admin/config/user-interface',
+    'route_name' => 'system.admin_config_ui',
     'parent' => 'admin.config',
     'description' => 'Tools that enhance the user interface.',
     'weight' => -15,
   );
   $items['admin.config.workflow'] = array(
     'link_title' => 'Workflow',
-    'link_path' => 'admin/config/workflow',
+    'route_name' => 'system.admin_config_workflow',
     'parent' => 'admin.config',
     'description' => 'Content workflow, editorial workflow tools.',
     'weight' => 5,
   );
   $items['admin.config.content'] = array(
     'link_title' => 'Content authoring',
-    'link_path' => 'admin/config/content',
+    'route_name' => 'system.admin_config_content',
     'parent' => 'admin.config',
     'description' => 'Settings related to formatting and authoring content.',
     'weight' => -15,
@@ -998,7 +998,7 @@ function system_default_menu_links() {
   // Reports.
   $items['admin.reports'] = array(
     'link_title' => 'Reports',
-    'link_path' => 'admin/reports',
+    'route_name' => 'system.admin_reports',
     'parent' => 'admin',
     'description' => 'View reports, updates, and errors.',
     'weight' => 5,
diff --git a/core/modules/taxonomy/taxonomy.module b/core/modules/taxonomy/taxonomy.module
index 7b6464f..9f5cb5d 100644
--- a/core/modules/taxonomy/taxonomy.module
+++ b/core/modules/taxonomy/taxonomy.module
@@ -289,7 +289,7 @@ function taxonomy_default_menu_links() {
     'link_title' => 'Taxonomy',
     'parent' => 'admin.structure',
     'description' => 'Manage tagging, categorization, and classification of your content.',
-    'route_name' => 'taxonomy_vocabulary_list',
+    'route_name' => 'taxonomy.vocabulary_list',
   );
 
   return $links;
diff --git a/core/modules/tracker/tracker.module b/core/modules/tracker/tracker.module
index 70a1112..e4a8d13 100644
--- a/core/modules/tracker/tracker.module
+++ b/core/modules/tracker/tracker.module
@@ -36,7 +36,7 @@ function tracker_help($path, $arg) {
 function tracker_default_menu_links() {
   $links['tracker'] = array(
     'link_title' => 'Recent content',
-    'link_path' => 'tracker',
+    'route_name' => 'tracker.page',
   );
 
   return $links;
diff --git a/core/modules/user/user.module b/core/modules/user/user.module
index ef04a42..c9c6824 100644
--- a/core/modules/user/user.module
+++ b/core/modules/user/user.module
@@ -820,7 +820,7 @@ function user_default_menu_links() {
   $links['user'] = array(
     'link_title' => 'My account',
     'weight' => -10,
-    'route_name' => 'user_page',
+    'route_name' => 'user.page',
     'menu_name' => 'account',
   );
 
@@ -834,7 +834,7 @@ function user_default_menu_links() {
   // User listing pages.
   $links['admin.people'] = array(
     'link_title' => 'People',
-    'link_path' => 'admin/people',
+    'route_name' => 'user.admin_account',
     'description' => 'Manage user accounts, roles, and permissions.',
     'parent' => 'admin',
     'weight' => -4,
@@ -850,7 +850,7 @@ function user_default_menu_links() {
   // Administration pages.
   $links['admin.config.people'] = array(
    'link_title' => 'People',
-   'link_path' => 'admin/config/people',
+   'route_name' => 'user.admin_index',
    'parent' => 'admin.config',
    'description' => 'Configure user accounts.',
    'position' => 'left',
@@ -882,15 +882,6 @@ function user_menu_link_presave(MenuLink $menu_link) {
 }
 
 /**
- * Implements hook_translated_menu_link_alter().
- */
-function user_translated_menu_link_alter(&$link) {
-  if ($link['machine_name'] == 'user' && $GLOBALS['user']->isAnonymous()) {
-    $link['title'] = t('Log in');
-  }
-}
-
-/**
  * Implements hook_menu_breadcrumb_alter().
  */
 function user_menu_breadcrumb_alter(&$active_trail, $item) {