{"action":"created","issue":{"url":"https://api.github.com/repos/kubernetes/kubernetes/issues/17525","repository_url":"https://api.github.com/repos/kubernetes/kubernetes","labels_url":"https://api.github.com/repos/kubernetes/kubernetes/issues/17525/labels{/name}","comments_url":"https://api.github.com/repos/kubernetes/kubernetes/issues/17525/comments","events_url":"https://api.github.com/repos/kubernetes/kubernetes/issues/17525/events","html_url":"https://github.com/kubernetes/kubernetes/issues/17525","id":117899867,"number":17525,"title":"Hung docker daemon yet kubelet remains in 'Ready' status","user":{"login":"spiffxp","id":49258,"avatar_url":"https://avatars.githubusercontent.com/u/49258?v=3","gravatar_id":"","url":"https://api.github.com/users/spiffxp","html_url":"https://github.com/spiffxp","followers_url":"https://api.github.com/users/spiffxp/followers","following_url":"https://api.github.com/users/spiffxp/following{/other_user}","gists_url":"https://api.github.com/users/spiffxp/gists{/gist_id}","starred_url":"https://api.github.com/users/spiffxp/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/spiffxp/subscriptions","organizations_url":"https://api.github.com/users/spiffxp/orgs","repos_url":"https://api.github.com/users/spiffxp/repos","events_url":"https://api.github.com/users/spiffxp/events{/privacy}","received_events_url":"https://api.github.com/users/spiffxp/received_events","type":"User","site_admin":false},"labels":[{"id":159151142,"url":"https://api.github.com/repos/kubernetes/kubernetes/labels/area/reliability","name":"area/reliability","color":"a10d01","default":false},{"id":116712229,"url":"https://api.github.com/repos/kubernetes/kubernetes/labels/dependency/docker","name":"dependency/docker","color":"fbfa04","default":false},{"id":114528223,"url":"https://api.github.com/repos/kubernetes/kubernetes/labels/priority/P1","name":"priority/P1","color":"eb6420","default":false},{"id":173493665,"url":"https://api.github.com/repos/kubernetes/kubernetes/labels/team/node","name":"team/node","color":"d2b48c","default":false}],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":{"url":"https://api.github.com/repos/kubernetes/kubernetes/milestones/15","html_url":"https://github.com/kubernetes/kubernetes/milestones/v1.2","labels_url":"https://api.github.com/repos/kubernetes/kubernetes/milestones/15/labels","id":1278499,"number":15,"title":"v1.2","description":"https://github.com/kubernetes/kubernetes/wiki/Release-1.2","creator":{"login":"bgrant0607","id":7725777,"avatar_url":"https://avatars.githubusercontent.com/u/7725777?v=3","gravatar_id":"","url":"https://api.github.com/users/bgrant0607","html_url":"https://github.com/bgrant0607","followers_url":"https://api.github.com/users/bgrant0607/followers","following_url":"https://api.github.com/users/bgrant0607/following{/other_user}","gists_url":"https://api.github.com/users/bgrant0607/gists{/gist_id}","starred_url":"https://api.github.com/users/bgrant0607/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/bgrant0607/subscriptions","organizations_url":"https://api.github.com/users/bgrant0607/orgs","repos_url":"https://api.github.com/users/bgrant0607/repos","events_url":"https://api.github.com/users/bgrant0607/events{/privacy}","received_events_url":"https://api.github.com/users/bgrant0607/received_events","type":"User","site_admin":false},"open_issues":5,"closed_issues":1048,"state":"closed","created_at":"2015-08-29T03:54:16Z","updated_at":"2016-10-25T03:39:58Z","due_on":"2016-03-16T07:00:00Z","closed_at":"2016-06-13T20:32:18Z"},"comments":30,"created_at":"2015-11-19T20:23:18Z","updated_at":"2016-12-05T19:01:38Z","closed_at":"2016-02-12T23:54:30Z","body":"While running density tests against a kubernetes cluster, we will occasionally run into nodes where the docker daemon becomes unresponsive.  Symptoms include:\n- `docker ps` hangs\n- `kernel: unregister_netdevice: waiting for veth0123456 to become free. Usage count = 1` appears in journal output\n\nProbably an upstream issue.  But I would expect kubelet to notice that its docker deamon is unhealthy and send a 'NotReady' status back up to the controller manager.  Instead, it stays at 'Ready' and the scheduler assigns pods to it, which will stay stuck in Pending.\n\nThis is not quite the same as #16601 but our mitigation is the same, we're forced to reboot the node.\n"},"comment":{"url":"https://api.github.com/repos/kubernetes/kubernetes/issues/comments/264943949","html_url":"https://github.com/kubernetes/kubernetes/issues/17525#issuecomment-264943949","issue_url":"https://api.github.com/repos/kubernetes/kubernetes/issues/17525","id":264943949,"user":{"login":"yujuhong","id":10524058,"avatar_url":"https://avatars.githubusercontent.com/u/10524058?v=3","gravatar_id":"","url":"https://api.github.com/users/yujuhong","html_url":"https://github.com/yujuhong","followers_url":"https://api.github.com/users/yujuhong/followers","following_url":"https://api.github.com/users/yujuhong/following{/other_user}","gists_url":"https://api.github.com/users/yujuhong/gists{/gist_id}","starred_url":"https://api.github.com/users/yujuhong/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/yujuhong/subscriptions","organizations_url":"https://api.github.com/users/yujuhong/orgs","repos_url":"https://api.github.com/users/yujuhong/repos","events_url":"https://api.github.com/users/yujuhong/events{/privacy}","received_events_url":"https://api.github.com/users/yujuhong/received_events","type":"User","site_admin":false},"created_at":"2016-12-05T19:01:38Z","updated_at":"2016-12-05T19:01:38Z","body":"#37865 may help a little bit. Kubelet will report node not ready if the periodic `docker ps` doesn't report back in time."}}
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