The verification for eoan series has been performed using:

* Bundle http://paste.ubuntu.com/p/zBQfXWq77R/
* Following containerd config: https://paste.ubuntu.com/p/GDpjp2fd4t/

Annotations:  Status:  Pending
IP:           10.1.8.11
IPs:
  IP:  10.1.8.11
Containers:
  busybox:
    Container ID:  
    Image:         niedbalski-bastion.cloud.sts:5000/busybox:latest
    Image ID:      
    Port:          <none>
    Host Port:     <none>
    Command:
      sleep
      3600
    State:          Waiting
      Reason:       ErrImagePull
    Ready:          False
    Restart Count:  0
    Environment:    <none>
    Mounts:
      /var/run/secrets/kubernetes.io/serviceaccount from default-token-vwm4f (ro)
Conditions:
  Type              Status
  Initialized       True 
  Ready             False 
  ContainersReady   False 
  PodScheduled      True 
Volumes:
  default-token-vwm4f:
    Type:        Secret (a volume populated by a Secret)
    SecretName:  default-token-vwm4f
    Optional:    false
QoS Class:       BestEffort
Node-Selectors:  <none>
Tolerations:     node.kubernetes.io/not-ready:NoExecute for 300s
                 node.kubernetes.io/unreachable:NoExecute for 300s
Events:
  Type     Reason       Age        From                               Message
  ----     ------       ----       ----                               -------
  Normal   Scheduled    <unknown>  default-scheduler                  Successfully assigned default/busybox to juju-775746-00268738-1-4
  Warning  FailedMount  17s        kubelet, juju-775746-00268738-1-4  MountVolume.SetUp failed for volume "default-token-vwm4f" : failed to sync secret cache: timed out waiting for the condition
  Normal   Pulling      11s        kubelet, juju-775746-00268738-1-4  Pulling image "niedbalski-bastion.cloud.sts:5000/busybox:latest"
  Warning  Failed       7s         kubelet, juju-775746-00268738-1-4  Failed to pull image "niedbalski-bastion.cloud.sts:5000/busybox:latest": rpc error: code = Unknown desc = failed to pull and unpack image "niedbalski-bastion.cloud.sts:5000/busybox:latest": failed to resolve reference "niedbalski-bastion.cloud.sts:5000/busybox:latest": failed to do request: Head niedbalski-bastion.cloud.sts:///v2/busybox/manifests/latest: unsupported protocol scheme "niedbalski-bastion.cloud.sts"
  Warning  Failed       7s         kubelet, juju-775746-00268738-1-4  Error: ErrImagePull
  Normal   BackOff      7s         kubelet, juju-775746-00268738-1-4  Back-off pulling image "niedbalski-bastion.cloud.sts:5000/busybox:latest"
  Warning  Failed       7s         kubelet, juju-775746-00268738-1-4  Error: ImagePullBackOff
---

After applying the -proposed version 1.3.3-0ubuntu1~19.10.2 

ubuntu@niedbalski-bastion:~/stsstack-bundles/kubernetes/00268738$ kubectl apply -f busybox.yaml 
pod/busybox created
ubuntu@niedbalski-bastion:~/stsstack-bundles/kubernetes/00268738$ kubectl get pod -o wide
NAME      READY   STATUS    RESTARTS   AGE   IP          NODE                       NOMINATED NODE   READINESS GATES
busybox   1/1     Running   0          4s    10.1.8.31   juju-775746-00268738-1-4   <none>           <none>
ubuntu@niedbalski-bastion:~/stsstack-bundles/kubernetes/00268738$ juju run --application kubernetes-worker "sudo dpkg -l | grep containerd"
- Stdout: |
    ii  containerd                           1.3.3-0ubuntu1~19.10.2                amd64        daemon to control runC
  UnitId: kubernetes-worker/0


Therefore the patch fixes the regression.