When installing SNO (but I noticed it in multinode installation as well) bootkube is failing to create  99-master-ssh and 99-worker-ssh for about a minute because the machineconfiguration CRD wasn't created yet.

4.12

100%

1.Run the POC using the makefile here https://github.com/eranco74/bootstrap-in-place-poc
2. Observe the bootkube logs (pre rebooot) 

Jan 16 12:16:54 master1 cluster-bootstrap[5207]: "99_openshift-machineconfig_99-master-ssh.yaml": failed to create machineconfigs.v1.machineconfiguration.openshift.io/99-master-ssh -n : the server could not find the requested resource
...
Jan 16 12:17:42 master1 cluster-bootstrap[5207]: "99_openshift-machineconfig_99-worker-ssh.yaml": failed to create machineconfigs.v1.machineconfiguration.openshift.io/99-worker-ssh -n : the server could not find the requested resource

Expected the machineconfiguration to be created earlier so bootkube will be able to complete the installation faster