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container_manager_linux.go:272] [ContainerManager] Failed to ensure state of "/docker-daemon": failed to move PID 20499 (in "/system.slice/docker.service") to "/docker-daemon"



Hi,

I've installed OpenShift with Docker method ( https://docs.openshift.org/latest/getting_started/administrators.html#running-in-a-docker-container ) on CentOS Linux release 7.2.1511 (Core)

After installation, I've this :

```
E0209 17:33:57.492089   20834 kubelet.go:863] Image garbage collection failed: unable to find data for container /
I0209 17:33:57.492103   20834 server.go:103] Starting to listen on 0.0.0.0:10250
W0209 17:33:57.673340   20834 kubelet.go:891] Failed to move Kubelet to container "/kubelet": mkdir /sys/fs/cgroup/cpuacct,cpu: read-only file system
I0209 17:33:57.673400   20834 kubelet.go:893] Running in container "/kubelet"
I0209 17:33:57.678639   20834 manager.go:124] Starting to sync pod status with apiserver
I0209 17:33:57.678677   20834 kubelet.go:2299] Starting kubelet main sync loop.
I0209 17:33:57.687318   20834 factory.go:203] System is using systemd
I0209 17:33:57.785603   20834 factory.go:245] Registering Docker factory
I0209 17:33:57.788723   20834 factory.go:94] Registering Raw factory
I0209 17:33:57.829322   20834 kubelet.go:1087] Successfully registered node localhost.localdomain
I0209 17:33:57.914526   20834 manager.go:1005] Started watching for new ooms in manager
I0209 17:33:57.918669   20834 oomparser.go:182] oomparser using systemd
I0209 17:33:57.919128   20834 manager.go:249] Starting recovery of all containers
I0209 17:33:57.983381   20834 manager.go:254] Recovery completed
W0209 17:33:58.058390   20834 container_manager_linux.go:272] [ContainerManager] Failed to ensure state of "/docker-daemon": [failed to move PID 20848 (in "/") to "/docker-daemon", failed to move PID 20499 (in "/system.slice/docker.service") to "/docker-daemon"]
W0209 17:33:59.462068   20834 nodecontroller.go:585] Missing timestamp for Node localhost.localdomain. Assuming now as a timestamp.
I0209 17:33:59.462108   20834 event.go:210] Event(api.ObjectReference{Kind:"Node", Namespace:"", Name:"localhost.localdomain", UID:"localhost.localdomain", APIVersion:"", ResourceVersion:"", FieldPath:""}): type: 'Normal' reason: 'RegisteredNode' Node localhost.localdomain event: Registered Node localhost.localdomain in NodeController
W0209 17:34:58.456869   20834 container_manager_linux.go:272] [ContainerManager] Failed to ensure state of "/docker-daemon": [failed to move PID 20848 (in "/") to "/docker-daemon", failed to move PID 20499 (in "/system.slice/docker.service") to "/docker-daemon"]
E0209 17:35:51.607402   20834 nsenter_mount.go:179] Failed to nsenter mount, return file doesn't exist: exit status 1
E0209 17:35:51.633646   20834 nsenter_mount.go:179] Failed to nsenter mount, return file doesn't exist: exit status 1
I0209 17:35:51.809000   20834 provider.go:91] Refreshing cache for provider: *credentialprovider.defaultDockerConfigProvider
W0209 17:35:58.806107   20834 container_manager_linux.go:272] [ContainerManager] Failed to ensure state of "/docker-daemon": [failed to move PID 20848 (in "/") to "/docker-daemon", failed to move PID 20499 (in "/system.slice/docker.service") to "/docker-daemon"]
W0209 17:36:59.138225   20834 container_manager_linux.go:272] [ContainerManager] Failed to ensure state of "/docker-daemon": [failed to move PID 20848 (in "/") to "/docker-daemon", failed to move PID 20499 (in "/system.slice/docker.service") to "/docker-daemon"]
W0209 17:37:59.313136   20834 container_manager_linux.go:272] [ContainerManager] Failed to ensure state of "/docker-daemon": failed to move PID 20499 (in "/system.slice/docker.service") to "/docker-daemon"

```
Complete log : https://gist.github.com/harobed/efde57bcde77c473d3be

How can I fix this error ?

Best regards,
Stéphane

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