Add debugging to find out why check mode is broken

tasks/main.yml

@@ -71,6 +71,9 @@
     cat /proc/cmdline
   register: 'results'
   changed_when: 'false'
+- name: 'debug'
+  debug:
+    var: 'results'
 - name: 'Add cgroups v1 if disabled'
   when:
     - results is defined
@@ -79,6 +82,9 @@
   shell:
     cmd: |
       grubby --update-kernel=ALL --args=systemd.unified_cgroup_hierarchy=0
+- name: 'debug'
+  debug:
+    var: 'results'
 - name: 'Reboot to enable cgroups v1'
   when:
     - results is defined