asm/ERR/2023_002
Product: Anthos Service Mesh
Rule class: ERR - Something that is very likely to be wrong
Description
Istio proxies are responsible for sending data plane traffic from one workload to another. These proxies log the status codes of requests proxied. 5XX response code indicate server side issue such as no upstream resrouces, TLS handshake failure etc.
Remediation
Identify the source and destination workload for request failing and inspect the failed request for server side issues. Inspect the destination workload pod logs for issue with failing request.