There was an internal error in the toolchain. This is almost always a bug in the implementation.
Configuration Analysis Messages
istioctl provides rich analysis of Istio configuration state in
order to identity invalid or suboptimal configurations. Here’s is a list of the distinct possible
error or warning messages produced by this analysis.
A feature that the configuration is depending on is now deprecated.
A resource being referenced does not exist.
A namespace is not enabled for Istio injection.
A pod is missing the Istio proxy.
Unhandled gateway port
The version of the Istio proxy running on the pod does not match the version used by the istio injector.
The resource has a schema validation error.
An Istio annotation is applied to the wrong kind of resource.
An Istio annotation is not recognized for any kind of resource
Conflicting hosts on VirtualServices associated with mesh gateway
A Sidecar resource selects the same workloads as another Sidecar resource
More than one sidecar resource in a namespace has no workload selector
A VirtualService routes to a service with more than one port exposed, but does not specify which to use.