https://github.com/openstack-k8s-operators/edpm-ansible/blob/c0f3080c2c862547029c29aad8686d75e26397b1/roles/edpm_bootstrap/tasks/fips.yml#L62-L66

the fips task in the edpm_bootsrap role

forces a reboot if the fips status changes

While this is not inteded to be support after the intiall deployment

if the fips mode is changes as part of a minor update this will force reboot all the
edpm hosts  regardless of the reboot stragey choosen in the deployment.

this task should not override the reboot strategy, and instead delegate the reboot to a explicit invocation of the os-reboot data plane service.