12:14: One of our the nodes in our cluster has failed. The VMs running on this particular host have been automatically migrated to another host. In course of this migration, the affected VMs where rebooted.
12:17: All VMs are up and running on other nodes.
12:25: The affected node lost connection to the cluster due to a reboot. Meanwhile, it's back and reconnected to the cluster again. We will investigate the root cause of this interruption with our supplier.