Hook error with HEAL_HANDLER missing key 'kubelet'

kubernetes-control-plane 1.23.4 error 1 kubernetes-control-plane charmhub edge 75 ubuntu hook failed: "config-changed"

----

2022-03-21 13:51:41 INFO unit.kubernetes-control-plane/0.juju-log server.go:327 Checking if snap.kubelet.daemon is active (0 / 6)
2022-03-21 13:51:41 DEBUG unit.kubernetes-control-plane/0.config-changed logger.go:60 activating
2022-03-21 13:51:51 INFO unit.kubernetes-control-plane/0.juju-log server.go:327 Checking if snap.kubelet.daemon is active (1 / 6)
2022-03-21 13:51:51 DEBUG unit.kubernetes-control-plane/0.config-changed logger.go:60 activating
2022-03-21 13:52:01 INFO unit.kubernetes-control-plane/0.juju-log server.go:327 Checking if snap.kubelet.daemon is active (2 / 6)
2022-03-21 13:52:01 DEBUG unit.kubernetes-control-plane/0.config-changed logger.go:60 activating
2022-03-21 13:52:11 INFO unit.kubernetes-control-plane/0.juju-log server.go:327 Checking if snap.kubelet.daemon is active (3 / 6)
2022-03-21 13:52:11 DEBUG unit.kubernetes-control-plane/0.config-changed logger.go:60 activating
2022-03-21 13:52:13 DEBUG juju.worker.uniter.remotestate watcher.go:707 update status timer triggered for kubernetes-control-plane/0
2022-03-21 13:52:21 INFO unit.kubernetes-control-plane/0.juju-log server.go:327 Checking if snap.kubelet.daemon is active (4 / 6)
2022-03-21 13:52:21 DEBUG unit.kubernetes-control-plane/0.config-changed logger.go:60 activating
2022-03-21 13:52:31 INFO unit.kubernetes-control-plane/0.juju-log server.go:327 Checking if snap.kubelet.daemon is active (5 / 6)
2022-03-21 13:52:31 DEBUG unit.kubernetes-control-plane/0.config-changed logger.go:60 activating
2022-03-21 13:52:42 INFO unit.kubernetes-control-plane/0.juju-log server.go:327 status-set: blocked: Stopped services: kubelet
2022-03-21 13:52:42 WARNING unit.kubernetes-control-plane/0.config-changed logger.go:60 Traceback (most recent call last):
2022-03-21 13:52:42 WARNING unit.kubernetes-control-plane/0.config-changed logger.go:60 File "/var/lib/juju/agents/unit-kubernetes-control-plane-0/charm/hooks/config-changed", line 22, in <module>
2022-03-21 13:52:42 WARNING unit.kubernetes-control-plane/0.config-changed logger.go:60 main()
2022-03-21 13:52:42 WARNING unit.kubernetes-control-plane/0.config-changed logger.go:60 File "/var/lib/juju/agents/unit-kubernetes-control-plane-0/.venv/lib/python3.8/site-packages/charms/reactive/__init__.py", line 84, in main
2022-03-21 13:52:42 WARNING unit.kubernetes-control-plane/0.config-changed logger.go:60 hookenv._run_atexit()
2022-03-21 13:52:42 WARNING unit.kubernetes-control-plane/0.config-changed logger.go:60 File "/var/lib/juju/agents/unit-kubernetes-control-plane-0/.venv/lib/python3.8/site-packages/charmhelpers/core/hookenv.py", line 1356, in _run_atexit
2022-03-21 13:52:42 WARNING unit.kubernetes-control-plane/0.config-changed logger.go:60 callback(*args, **kwargs)
2022-03-21 13:52:42 WARNING unit.kubernetes-control-plane/0.config-changed logger.go:60 File "/var/lib/juju/agents/unit-kubernetes-control-plane-0/charm/reactive/kubernetes_master.py", line 907, in set_final_status
2022-03-21 13:52:42 WARNING unit.kubernetes-control-plane/0.config-changed logger.go:60 heal_handler = HEAL_HANDLER[service]
2022-03-21 13:52:42 WARNING unit.kubernetes-control-plane/0.config-changed logger.go:60 KeyError: 'kubelet'