gke/ERR/2021_010
Check internal peering forwarding limits which affect GKE.
Product: Google Kubernetes Engine
Rule class: ERR - Something that is very likely to be wrong
Description
Internal Load Balancer creation can fail due to VPC internal forwarding rules limits.
Remediation
You can use the following Cloud Logging filter to find matching log lines:
resource.type="k8s_cluster"
log_id("events")
jsonPayload.message:"INTERNAL_FORWARDING_RULES_WITH_PEERING_LIMITS_EXCEEDED"
jsonPayload.reason:"SyncLoadBalancerFailed"