Insights cluster operator degraded in Openshift 4

Issue

• Insights cluster operator in degraded status during the upgrade.

• Why the insights is in degraded status throwing the following error?

  $ oc get co insights -o yaml
  apiVersion: config.openshift.io/v1
  kind: ClusterOperator
  [...]
  status:
  [...]
    - lastTransitionTime: "2021-03-24T19:33:30Z"
      message: 'Source config could not be retrieved: Get "https://10.0.0.2:10250/containerLogs/openshift-sdn/sdn-kpwkf/sdn?limitBytes=65536&sinceSeconds=86400": net/http: TLS handshake timeout'
      reason: PeriodicGatherFailed
      status: "True"
      type: Degraded