Avoid to generate url alias automatically.

web/modules/custom/geo_upgrade/migrations/upgrade_d7_node_blog.yml

@@ -148,6 +148,10 @@ process:
         title: title
         width: width
         height: height
+  path/alias: source_path
+  path/pathauto:
+    plugin: default_value
+    default_value: 0
 destination:
   plugin: 'entity:node'
   default_bundle: blog

web/modules/custom/geo_upgrade/migrations/upgrade_d7_node_gleaning.yml

@@ -98,6 +98,10 @@ process:
         target_id: fid
         display: display
         description: description
+  path/alias: source_path
+  path/pathauto:
+    plugin: default_value
+    default_value: 0
 destination:
   plugin: 'entity:node'
   default_bundle: gleaning

web/modules/custom/geo_upgrade/migrations/upgrade_d7_node_page.yml

@@ -161,6 +161,10 @@ process:
         target_id: fid
         display: display
         description: description
+  path/alias: source_path
+  path/pathauto:
+    plugin: default_value
+    default_value: 0
 destination:
   plugin: 'entity:node'
   default_bundle: page

web/modules/custom/geo_upgrade/migrations/upgrade_d7_node_story.yml

@@ -205,6 +205,10 @@ process:
 #          from_format: 'Y-m-d\TH:i:s'
 #          to_format: 'Y-m-d\TH:i:s'
 #          source: value
+  path/alias: source_path
+  path/pathauto:
+    plugin: default_value
+    default_value: 0
 destination:
   plugin: 'entity:node'
   default_bundle: article