guest agent cannot sync after migration

# create the VMI
kubectl apply -f examples/vmi-masquerade.yaml            
virtualmachineinstance.kubevirt.io/vmi-masquerade created

# install guest agent in VMI
./_out/cmd/virtctl/virtctl console vmi-masquerade
Successfully connected to vmi-masquerade console. The escape sequence is ^]

vmi-masquerade login: fedora
Password: 

[fedora@vmi-masquerade ~]$ curl http://cdi-http-import-server.kubevirt/qemu-ga > qemu-ga
[fedora@vmi-masquerade ~]$ sudo chmod +x qemu-ga
[fedora@vmi-masquerade ~]$ sudo mv qemu-ga /usr/local/bin/
[fedora@vmi-masquerade ~]$ sudo setenforce 0
[fedora@vmi-masquerade ~]$ sudo systemd-run --unit=guestagent /usr/local/bin/qemu-ga 

# update the VMs time
[fedora@vmi-masquerade ~]$ date 
Thu 30 Apr 2020 11:08:08 AM UTC

[fedora@vmi-masquerade ~]$ sudo date +%T -s 10:00:00
10:00:00
[fedora@vmi-masquerade ~]$ date
Thu 30 Apr 2020 10:00:29 AM UTC

# check guest agent works; leave the VMI
$ kubectl get vmi vmi-masquerade -oyaml 
apiVersion: kubevirt.io/v1alpha3
kind: VirtualMachineInstance
metadata:
  ...
  name: vmi-masquerade
  namespace: default
  resourceVersion: "39954"
  selfLink: /apis/kubevirt.io/v1alpha3/namespaces/default/virtualmachineinstances/vmi-masquerade
  uid: d8abc804-a1b8-42f8-adc6-bbf917018310
spec:
  ...
status:
  activePods:
    8b053859-76f7-44e3-806f-ef2362dea00d: node02
  conditions:
  - lastProbeTime: null
    lastTransitionTime: null
    status: "True"
    type: LiveMigratable
  - lastProbeTime: null
    lastTransitionTime: "2020-04-30T11:01:56Z"
    status: "True"
    type: Ready
  - lastProbeTime: "2020-04-30T11:05:28Z"
    lastTransitionTime: null
    status: "True"
    type: AgentConnected
  - lastProbeTime: "2020-04-30T11:05:28Z"
    lastTransitionTime: null
    status: "True"
    type: AgentVersionNotSupported
  guestOSInfo:
    id: fedora
    kernelRelease: 5.6.0-0.rc5.git0.2.fc32.x86_64
    kernelVersion: '#1 SMP Tue Mar 10 19:09:42 UTC 2020'
    name: Fedora
    prettyName: Fedora 32 (Cloud Edition)
    version: "32"
    versionId: "32"
...

# migrate the vmi, using the example - must update the name
$ git diff
diff --git a/examples/migration-job.yaml b/examples/migration-job.yaml
index 6c1f24473..909148047 100644
--- a/examples/migration-job.yaml
+++ b/examples/migration-job.yaml
@@ -4,4 +4,4 @@ kind: VirtualMachineInstanceMigration
 metadata:
   name: migration-job
 spec:
-  vmiName: vmi-migratable
+  vmiName: vmi-masquerade

$ kubectl apply -f examples/migration-job.yaml 
virtualmachineinstancemigration.kubevirt.io/migration-job created
$ kubectl get vmi -w                          
NAME             AGE     PHASE     IP            NODENAME
vmi-masquerade   8m25s   Running   10.244.1.39   node02
vmi-masquerade   8m27s   Running   10.244.1.39   node02
vmi-masquerade   8m27s   Running   10.244.1.39   node02
vmi-masquerade   8m27s   Running   10.244.1.39   node02
vmi-masquerade   8m28s   Running   10.244.1.39   node02
vmi-masquerade   8m41s   Running   10.244.1.39   node01 # OK, it moved to the other node.
vmi-masquerade   8m41s   Running   10.244.1.39   node01
vmi-masquerade   8m42s   Running   10.244.1.39   node01

$ ./_out/cmd/virtctl/virtctl console vmi-masquerade
Successfully connected to vmi-masquerade console. The escape sequence is ^]

[fedora@vmi-masquerade ~]$ date
Thu 30 Apr 2020 10:02:35 AM UTC  # time is not updated.

# let's check the pod's perspective ... 
$ kubectl get pods
NAME                                 READY   STATUS    RESTARTS   AGE
local-volume-provisioner-zf5kz       1/1     Running   0          3h14m
local-volume-provisioner-zhqzg       1/1     Running   0          3h14m
virt-launcher-vmi-masquerade-44v2x   2/2     Running   0          2m15s
virt-launcher-vmi-masquerade-dp6kb   0/2     Completed     0          10m

$ kubectl exec -it  virt-launcher-vmi-masquerade-44v2x bash
[root@virt-launcher-vmi-masquerade-44v2x /]# virsh domtime 1 --pretty
Time: 2020-04-30 10:04:20
[root@virt-launcher-vmi-masquerade-44v2x /]# virsh domtime 1 --sync
error: internal error: unable to execute QEMU agent command 'guest-set-time': hwclock failed to set hardware clock to system time

[root@virt-launcher-vmi-masquerade-44v2x /]# virsh domtime 1 --now

[root@virt-launcher-vmi-masquerade-44v2x /]# virsh domtime 1 --pretty
Time: 2020-04-30 11:15:45