[RHOCP 4] Failed to create pod network sandbox
Issue
The pod creation is getting failed randomly on worker nodes and DNS
name queries not getting resolved, it is receiving timeout error
:
"Failed to create pod sandbox: rpc error: code = Unknown desc = failed to create pod network sandbox k8s_opensearch-cluster-data-2_em-paas-apps-logging_xxx_0(33b6b70c9a0f293c2e98ee22390460588a85543a014462596c947cdaae849ba6): error adding pod xxxx to CNI network "multus-cni-network": plugin type="multus" name="multus-cni-network" failed (add): Multus: [xxxx/xxx]: error getting pod: Get "https://[api-int.clustername.basedomainname]:6443/api/v1/namespaces/xxxxx?timeout=1m0s": dial tcp: lookup api-int.clustername.basedomainname on 127.x.x.x:53: read udp 127.x.x.x:34909->127.x.x.x:53: i/o timeout"
Environment
- Red Hat OpenShift Container Platform(RHOCP)
- 4
- Amazon Web Services(AWS)
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