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  1. OpenShift Bugs
  2. OCPBUGS-37763

iptables-alerter logs spurious events under heavy load

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      * Previously, the `iptables-alerter` pod did not handle errors from `crictl`, which could cause the pod to incorrectly log events from `host-network` pods or cause pod restarts. With this release, the errors are handled correctly so that these issues no longer persist. (link:https://issues.redhat.com/browse/OCPBUGS-37763[*OCPBUGS-37763*])
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      * Previously, the `iptables-alerter` pod did not handle errors from `crictl`, which could cause the pod to incorrectly log events from `host-network` pods or cause pod restarts. With this release, the errors are handled correctly so that these issues no longer persist. (link: https://issues.redhat.com/browse/OCPBUGS-37763 [* OCPBUGS-37763 *])
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      This is a clone of issue OCPBUGS-37713. The following is the description of the original issue:
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      Under heavy load(?) crictl can fail and return errors which iptables-alerter does not handle correctly, and as a result, it may accidentally end up checking for iptables rules in hostNetwork pods, and then logging events about it.

            dwinship@redhat.com Dan Winship
            openshift-crt-jira-prow OpenShift Prow Bot
            Qiong Wang Qiong Wang
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