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  1. OpenShift Bugs
  2. OCPBUGS-26222

Failed to create the sandbox-plugin type="multus-shim" name="multus-cni-network" failed (add): CmdAdd (shim): failed to send CNI request: Post "http://dummy/cni": EOF [Openshift-4]

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    Description

      Description of problem:

      In the 4.14 z-stream rollback job, I'm seeing test-case "[sig-network] pods should successfully create sandboxes by adding pod to network " fail. 
      
      The job link is here https://prow.ci.openshift.org/view/gs/origin-ci-test/logs/periodic-ci-openshift-release-master-nightly-4.14-e2e-aws-ovn-upgrade-rollback-oldest-supported/1719037590788640768
      
      The error is:
      
      56 failures to create the sandbox
      
      ns/openshift-monitoring pod/prometheus-k8s-1 node/ip-10-0-48-75.us-east-2.compute.internal - 3314.57 seconds after deletion - reason/FailedCreatePodSandBox Failed to create pod sandbox: rpc error: code = Unknown desc = failed to create pod network sandbox k8s_prometheus-k8s-1_openshift-monitoring_95d1a457-3e1b-4ae3-8b57-8023eec5937d_0(5b36bc12b2964e85bcdbe60b275d6a12ea68cb18b81f16622a6cb686270c4eb3): error adding pod openshift-monitoring_prometheus-k8s-1 to CNI network "multus-cni-network": plugin type="multus-shim" name="multus-cni-network" failed (add): CmdAdd (shim): failed to send CNI request: Post "http://dummy/cni": EOF
      ns/openshift-monitoring pod/prometheus-k8s-1 node/ip-10-0-48-75.us-east-2.compute.internal - 3321.57 seconds after deletion - reason/FailedCreatePodSandBox Failed to create pod sandbox: rpc error: code = Unknown desc = failed to create pod network sandbox k8s_prometheus-k8s-1_openshift-monitoring_95d1a457-3e1b-4ae3-8b57-8023eec5937d_0(3cc0afc5bec362566e4c3bdaf822209377102c2e39aaa8ef5d99b0f4ba795aaf): error adding pod openshift-monitoring_prometheus-k8s-1 to CNI network "multus-cni-network": plugin type="multus-shim" name="multus-cni-network" failed (add): CmdAdd (shim): failed to send CNI request: Post "http://dummy/cni": dial unix /run/multus/socket/multus.sock: connect: connection refused
      
      
      

      Version-Release number of selected component (if applicable):

      4.14.0-0.nightly-2023-10-30-170011
      

      How reproducible:

      Flaky
      

      Steps to Reproduce:

      1.
      2.
      3.
      

      Actual results:

      
      

      Expected results:

      
      

      Additional info:

      The rollback test is testing by installing 4.14.0, then upgrade to the latest 4.14.nightly, at some random point, rolling back to 4.14.0
      

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              tohayash@redhat.com Tomofumi Hayashi
              yanyang@redhat.com Yang Yang
              Weibin Liang Weibin Liang
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                Created:
                Updated: