Latest update on GCE:
> Google Compute Engine - Networking-related Compute API operations pending to complete if submitted during the above time. - Resubmitting similar requests may fail as they are waiting for the above operations to complete. - The affected operations include: deleting backend services, subnets, instance groups, routes and firewall rules. - Some operations may still show as pending and are being mitigated at this time. We are currently working to address operations around subnet deletion as our next target group