Specify the "root" group by GID, as BSD Unix names that group "wheel".

salt/cloud.sls

@@ -48,7 +48,7 @@ cloud-cert-{{ cert }}-pem:
     - source: salt://{{ slspath }}/files/key
     - template: jinja
     - user: root
-    - group: root
+    - group: 0
     - mode: 600
     - makedirs: True
     - defaults:
@@ -91,7 +91,7 @@ salt-cloud-providers-permissions:
   file.directory:
     - name: {{ salt_settings.config_path }}/cloud.providers.d
     - user: root
-    - group: root
+    - group: 0
     - file_mode: 600
     - dir_mode: 700
     - recurse:

salt/gitfs/keys.sls

@@ -10,7 +10,7 @@ gitfs-key-{{ key }}-{{ type }}:
     - source: salt://salt/files/gitfs_key.jinja
     - template: jinja
     - user: root
-    - group: root
+    - group: 0
     - mode: 600
     - makedirs: True
     - defaults: