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  1. OpenShift Bugs
  2. OCPBUGS-24608

Whereabouts assignment error

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    • 4.16.0
    • 4.15
    • Networking / multus
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      * Previously, pods assigned an IP from the pool created by the Whereabouts CNI plugin were getting stuck in `ContainerCreating` state after a node force reboot. With this release, the Whereabouts CNI plugin issue associated with the IP allocation after a node force reboot is resolved. (link:https://issues.redhat.com/browse/OCPBUGS-24608[OCPBUGS-24608])
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      * Previously, pods assigned an IP from the pool created by the Whereabouts CNI plugin were getting stuck in `ContainerCreating` state after a node force reboot. With this release, the Whereabouts CNI plugin issue associated with the IP allocation after a node force reboot is resolved. (link: https://issues.redhat.com/browse/OCPBUGS-24608 [ OCPBUGS-24608 ])
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      Description of problem:

          Before: Warning  FailedCreatePodSandBox  8s    kubelet            Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "82187d55b1379aad1e6c02b3394df7a8a0c84cc90902af413c1e0d9d56ddafb0": plugin type="multus" name="multus-cni-network" failed (add): [default/netshoot-deployment-59898b5dd9-hhvfn/89e6349b-9797-4e03-8828-ebafe224dfaf:whereaboutsexample]: error adding container to network "whereaboutsexample": error at storage engine: Could not allocate IP in range: ip: 2000::1 / - 2000::ffff:ffff:ffff:fffe / range: net.IPNet{IP:net.IP{0x20, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, Mask:net.IPMask{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}

After:  Type     Reason                  Age   From               Message
  ----     ------                  ----  ----               -------
  Normal   Scheduled               6s    default-scheduler  Successfully assigned default/netshoot-deployment-59898b5dd9-kk2zm to whereabouts-worker
  Normal   AddedInterface          6s    multus             Add eth0 [10.244.2.2/24] from kindnet
  Warning  FailedCreatePodSandBox  6s    kubelet            Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "23dd45e714db09380150b5df74be37801bf3caf73a5262329427a5029ef44db1": plugin type="multus" name="multus-cni-network" failed (add): [default/netshoot-deployment-59898b5dd9-kk2zm/142de5eb-9f8a-4818-8c5c-6c7c85fe575e:whereaboutsexample]: error adding container to network "whereaboutsexample": error at storage engine: Could not allocate IP in range: ip: 2000::1 / - 2000::ffff:ffff:ffff:fffe / range: 2000::/64 / excludeRanges: [2000::/32]

      Fixed upstream in #366 https://github.com/k8snetworkplumbingwg/whereabouts/pull/366

              dosmith Douglas Smith
              dosmith Douglas Smith
              Weibin Liang Weibin Liang
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