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[kuryr] [kuryr-kubernetes] Unable to use kubernetes-related things after rebooting host

Hello kuryr-kubernetes team,

currently, I deployed openstack with devstack, and I added
"kuryr-kubernetes" to use kubernetes vim.
At first it worked fine and no error was occurred,
so I made some c-vnfs with kuryr-kubernetes.
But after rebooting the host, the systems that worked well before are not
working normally at all.

First, I deployed an example one ('redis') with kubectl command, (Not using
Tacker, but only using kubectl cli)
it showed below error,


  Type     Reason                  Age    From               Message

  ----     ------                  ----   ----               -------

  Normal   Scheduled               2m25s  default-scheduler  Successfully
assigned default/redis-master-6fbbc44567-ms8nâ??Apr 15 11:36:52 master
tacker-server[1881]:  from (pid=1881) request
k to master
  Warning  MissingClusterDNS       2m25s  kubelet, master    pod:
"redis-master-6fbbc44567-ms8nk_default(8a6f9079-5f27-â??Apr 15 11:36:52
master tacker-server[1881]: 2019-04-15 11:36:52.633 DEBUG
11e9-9b42-a4bf01550f1a)". kubelet does not have ClusterDNS IP configured
and cannot create Pod using "ClusterFirst" polâ??tes_driver [-] status:
Pending from (pid=1881) create_wait
icy. Falling back to "Default" policy.
  Warning  FailedCreatePodSandBox  19s    kubelet, master    Failed create
pod sandbox: rpc error: code = Unknown desc â??Apr 15 11:36:52 master
tacker-server[1881]: 2019-04-15 11:36:52.634 DEBUG
= failed to set up sandbox container
"310e18b859e118ad6abcaa60d29a9e332da516ce57b8cdf47456ea4882ca66f5" network
for podâ??tes_driver [-] VNF initializing status: ['default',
'svc-vdu1-b9e851'] Pending from (pid=1881) create_wait /opt/stack/
 "redis-master-6fbbc44567-ms8nk": NetworkPlugin cni failed to set up pod
k: Got invalid status code from CNI daemon.; Traceback (most recent call
last):                                        â??Apr 15 11:36:52 master
tacker-server[1881]: 2019-04-15 11:36:52.634 WARNING
  File "/opt/stack/kuryr-kubernetes/kuryr_kubernetes/cni/api.py", line 80,
in run                                      â??netes_driver [-] VNF Creation
failed: Resource creation is not completed within 500 seconds as creation
of stack defau
    vif = self._add(params)

Are there any reason for this error? And how can I resolve this problem?

Best Regards,

*Jaewook Oh* (���)
IISTRC - Internet Infra System Technology Research Center
369 Sangdo-ro, Dongjak-gu,
06978, Seoul, Republic of Korea
Tel : +82-2-820-0841 | Mobile : +82-10-9924-2618
E-mail : jwoh95 at dcn.ssu.ac.kr
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