In OpenStack deployments using Neutron with the OVN ML2 driver, ports could be bound to agents that were not alive. This behavior led to virtual machines experiencing network interface plug timeouts during provisioning, as the port binding would not complete successfully.
NGINX reports an upstream timeout error when it cannot establish or maintain a connection to backend services within the configured timeout threshold.
CoreDNS deployment is unavailable or has no ready endpoints, indicating an imminent cluster\-wide DNS outage.
Critical AWS VPC CNI node IP pool depletion detected causing cascading pod scheduling failures.
Critical AWS VPC CNI IP address exhaustion detected. This pattern indicates cascading failures
HashiCorp Vault nodes in a Raft cluster are unable to communicate with each other for an extended period. This disrupts the Raft consensus mechanism which is critical for Vault's high availability and data consistency. When nodes can't communicate, the cluster may lose quorum, preventing operations like unsealing, authentication, or secret retrieval.
The aws\-load\-balancer\-controller is unable to translate an Ingress resource into an AWS ALB Listener Rule when the path contains a wildcard (*) and the pathType is set to Prefix.