Deployments instability: VM stuck in STOPPING state

Some VMs are currently stuck in the STOPPING state. We are investigating.

EDIT 8:00 AM UTC: VMs are no longer stuck.

Reason: a bad user found a way to start a lot of huge instances and run resource-heavy cryptomining operations. It loaded the hypervisors and made some APIs unresponsive. We blocked them and took actions to prevent future abuse of our service.