[discovery.azure] Network interface does not exist for scale sets

[ToonTijtgat2]

What's wrong?

The discovery.azure component is not able to discover vm's from a scale set. The message is Network interface does not exist.

Steps to reproduce

Use the configuration to discover azure scale set's.

System information

Kubernetes

Software version

Grafana Alloy v1.1.0

Configuration

discovery.relabel "azurerelabel" {
        targets = discovery.azure.azure.targets
        rule {
          source_labels = ["__meta_azure_machine_name"]
          target_label = "instance"
        }
      }

      prometheus.scrape "azurescraping" {
        targets = discovery.relabel.azurerelabel.output
        forward_to = [prometheus.remote_write.prometheusmandev.receiver]
        clustering {
          enabled = true
        }
      }

Logs

ts=2024-06-03T09:06:16.124182502Z level=warn msg="Network interface does not exist" component_path=/ component_id=discovery.azure.azure name=/subscriptions/xxxx/resourceGroups/xxxx/providers/Microsoft.Compute/virtualMachineScaleSets/xxxx/virtualMachines/1/networkInterfaces/xxxx err="network interface does not exist"

[ToonTijtgat2]

It's probably something related to this, but I can not find the reason why the discovery of the network interface is not going as planned. https://github.com/prometheus/prometheus/blob/8a08f452b6a66698baf45f32beac2f1f54d52f20/discovery/azure/azure.go#L462C39-L462C71

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