One of the master node profile is degraded after cluster was shutdown and powered back on with error like below in the tuned pod.
~~~
$ oc logs tuned-4hpbh -n openshift-cluster-node-tuning-operator|grep -i error
2024-08-12T16:25:45.368522455Z 2024-08-12 16:25:45,368 ERROR    tuned.utils.commands: Executing 'grub2-editenv - set tuned_params= tuned_initrd=' error: [Errno 2] No such file or directory: 'grub2-editenv'
2024-08-12T16:25:50.402014475Z 2024-08-12 16:25:50,401 ERROR    tuned.utils.commands: Executing 'grub2-editenv - set tuned_params= tuned_initrd=' error: [Errno 2] No such file or directory: 'grub2-editenv'
2024-08-12T16:25:57.805441550Z 2024-08-12 16:25:57,805 ERROR    tuned.utils.commands: Executing 'grub2-editenv - set tuned_params= tuned_initrd=' error: [Errno 2] No such file or directory: 'grub2-editenv'
~~~

And below in the profile.
~~~
    message: 'TuneD daemon issued one or more error message(s) during profile application.
      TuneD stderr:  ERROR    tuned.utils.commands: Executing ''grub2-editenv - set
      tuned_params= tuned_initrd='' error: [Errno 2] No such file or directory: ''grub2-editenv'''
~~~

    4.16.5

    1. Power off each node
    2. Wait 10 mins
    3. Power on each node     

    One profie is degraded.

All profiles should be ok.