Normal   Pulled   27m                  kubelet  Successfully pulled image "registry.gitlab.com/.../checkpoint-image:latest" in 1.119s (1.119s including waiting). Image size: 241062 bytes.
  Normal   Started  25m                  kubelet  Started container looper-migrated
  Normal   Created  25m (x2 over 27m)    kubelet  Created container: looper-migrated
  Normal   Pulled   25m                  kubelet  Successfully pulled image "rregistry.gitlab.com/.../checkpoint-image:latest" in 1.312s (1.312s including waiting). Image size: 241062 bytes.
  Normal   Pulled   24m                  kubelet  Successfully pulled image "registry.gitlab.com/.../checkpoint-image:latest" in 1.29s (1.29s including waiting). Image size: 241062 bytes.
  Warning  Failed   24m                  kubelet  Error: kubelet may be retrying requests that are timing out in CRI-O due to system load: error reserving ctr name k8s_looper-migrated_looper-pod-migrated_default_02709301-1990-45c3-9dbe-0619cd418258_1 for id 7aa1dee9f8d079857b14b564e9fbce6ee82a34891b75b7b37f0162d3876042dd: name is reserved
  Normal   Pulled   24m                  kubelet  Successfully pulled image "registry.gitlab.com/.../checkpoint-image:latest" in 1.26s (1.26s including waiting). Image size: 241062 bytes.
  Warning  Failed   24m                  kubelet  Error: kubelet may be retrying requests that are timing out in CRI-O due to system load: error reserving ctr name k8s_looper-migrated_looper-pod-migrated_default_02709301-1990-45c3-9dbe-0619cd418258_1 for id c4609d3d65763172d2335c673a8175ee35937eb5d01c747a3c4f819fcd5adf04: name is reserved

sudo curl -s --insecure --cacert /etc/kubernetes/pki/ca.crt --cert /etc/kubernetes/pki/apiserver-kubelet-client.crt --key /etc/kubernetes/pki/apiserver-kubelet-client.key -X POST "https://localhost:10250/checkpoint/"$namespace"/"$pod"/"$container"" | jq -r ".items[0]"

OCI="localhost/checkpoint-image:latest"

echo "--> Converting checkpoint archive $CP to OCI images $OCI"

newcontainer=$(sudo buildah from scratch)
echo -n "----> Add checkpoint archive to new OCI image: "
sudo buildah add "$newcontainer" "$CP" /
echo "----> Add checkpoint annotation to new OCI image: "
sudo buildah config --annotation=io.kubernetes.cri-o.annotations.checkpoint.name="$container" "$newcontainer"
echo "----> Save new OCI image: "
sudo buildah commit -q "$newcontainer" "$OCI" 2>&1 | sed 's/^/------> \t/'
echo "----> Cleanup temporary images: "
sudo buildah rm "$newcontainer" | sed 's/^/------> \t/'
sudo buildah push "$OCI" registry.gitlab.com/.../checkpoint-image:latest 2>&1 | sed 's/^/------> \t/'

apiVersion: v1
kind: Pod
metadata:
  name: pod-migrated
spec:
  imagePullSecrets: 
    - name: controller
  containers:
    - name: looper-migrated
      image: registry.gitlab.com/.../checkpoint-image:latest
  nodeName: migracion-worker