title: How do I fix this error：ERRO[0003] containerd: notify OOM events error="cgroup path for memory not found" ？
body: <p>The server OS is Debian 8 with kernel 3.16.0-4-amd64</p>
  <p>When I use：</p>
  <pre><code>[root@IT:/var/lib/docker/containers]# docker version
  Client:
   Version:      17.06.0-ce
   API version:  1.30
   Go version:   go1.8.3
   Git commit:   02c1d87
   Built:        Fri Jun 23 21:20:04 2017
   OS/Arch:      linux/amd64
  Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
  
  </code></pre>
  <p>I use:</p>
  <pre><code>[root@IT:/var/lib/docker/containers]# docker ps
  Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
  
  </code></pre>
  <p>Then I use:</p>
  <pre><code>[root@IT:/var/lib/docker/containers]# dockerd
  INFO[0000] libcontainerd: new containerd process, pid: 3789
  INFO[0001] [graphdriver] using prior storage driver: aufs
  INFO[0001] Graph migration to content-addressability took 0.00 seconds
  WARN[0001] Your kernel does not support cgroup memory limit
  WARN[0001] Your kernel does not support cgroup cfs period
  WARN[0001] Your kernel does not support cgroup cfs quotas
  WARN[0001] Your kernel does not support cgroup rt period
  WARN[0001] Your kernel does not support cgroup rt runtime
  WARN[0001] mountpoint for pids not found
  INFO[0001] Loading containers: start.
  INFO[0001] Default bridge (docker0) is assigned with an IP address 172.20.0.0/16. Daemon option --bip can be used to set a preferred IP address
  ERRO[0001] containerd: notify OOM events error=&quot;cgroup path for memory not found&quot;
  ERRO[0001] containerd: notify OOM events error=&quot;cgroup path for memory not found&quot;
  ERRO[0001] containerd: notify OOM events  error=&quot;cgroup path for memory not found&quot;
  INFO[0001] Loading containers: done.
  INFO[0001] Daemon has completed initialization
  INFO[0001] Docker daemon commit=02c1d87 graphdriver=aufs version=17.06.0-ce
  INFO[0002] API listen on /var/run/docker.sock
  ERRO[0007] containerd: notify OOM events error=&quot;cgroup path for memory not found&quot;
  ERRO[0013] containerd: notify OOM events error=&quot;cgroup path for memory not found&quot;
  ERRO[0018] containerd: notify OOM events error=&quot;cgroup path for memory not found&quot;
  ERRO[0024] containerd: notify OOM events error=&quot;cgroup path for memory not found&quot;
  
  </code></pre>
  <p>ERRO[0003] containerd: notify OOM events  error=&quot;cgroup path for  memory not found&quot;</p>
  <p>How should I resolve this error?</p>