verified this bug on 4.3.0-0.nightly-2020-02-02-235748 alert: NodeIPTablesStale expr: (timestamp(kubeproxy_sync_proxy_rules_last_timestamp_seconds) - on(pod) kubeproxy_sync_proxy_rules_last_timestamp_seconds) * on(pod) group_right() kube_pod_info{namespace="openshift-sdn",pod=~"sdn-[^-]*"} > 120 for: 20m labels: severity: warning annotations: message: SDN pod {{ $labels.pod }} on node {{ $labels.node }} has gone too long without syncing iptables rules.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2020:0391