if p.podAndContainerStatsFromCRI {
                result, err := p.listPodStatsStrictlyFromCRI(ctx, updateCPUNanoCoreUsage, containerMap, podSandboxMap, &rootFsInfo)
                if err == nil {
                        // Call succeeded
                        return result, nil
                }
                s, ok := status.FromError(err)
                // Legitimate failure, rather than the CRI implementation does not support ListPodSandboxStats.
                if !ok || s.Code() != codes.Unimplemented {
                        return nil, err
                }
                // CRI implementation doesn't support ListPodSandboxStats, warn and fallback.
                klog.V(5).ErrorS(err,
                        "CRI implementation must be updated to support ListPodSandboxStats if PodAndContainerStatsFromCRI feature gate is enabled. Falling back to populating with cAdvisor; this call will fail in the future.",
                )
        }
        return p.listPodStatsPartiallyFromCRI(ctx, updateCPUNanoCoreUsage, containerMap, podSandboxMap, &rootFsInfo)