{"action":"created","issue":{"url":"https://api.github.com/repos/coreos/bugs/issues/481","labels_url":"https://api.github.com/repos/coreos/bugs/issues/481/labels{/name}","comments_url":"https://api.github.com/repos/coreos/bugs/issues/481/comments","events_url":"https://api.github.com/repos/coreos/bugs/issues/481/events","html_url":"https://github.com/coreos/bugs/issues/481","id":107052485,"number":481,"title":"Docker network issues with 766.4.0","user":{"login":"iamruinous","id":2108,"avatar_url":"https://avatars.githubusercontent.com/u/2108?v=3","gravatar_id":"","url":"https://api.github.com/users/iamruinous","html_url":"https://github.com/iamruinous","followers_url":"https://api.github.com/users/iamruinous/followers","following_url":"https://api.github.com/users/iamruinous/following{/other_user}","gists_url":"https://api.github.com/users/iamruinous/gists{/gist_id}","starred_url":"https://api.github.com/users/iamruinous/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/iamruinous/subscriptions","organizations_url":"https://api.github.com/users/iamruinous/orgs","repos_url":"https://api.github.com/users/iamruinous/repos","events_url":"https://api.github.com/users/iamruinous/events{/privacy}","received_events_url":"https://api.github.com/users/iamruinous/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/coreos/bugs/labels/docker","name":"docker","color":"FFFFFF"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":3,"created_at":"2015-09-17T19:08:42Z","updated_at":"2015-09-17T19:16:50Z","closed_at":null,"body":"We were experiencing a lot of docker0 failures on 766.3.0 as seen in #471.\r\n\r\nWe have a cluster of ~35 CoreOS Beta on EC2.\r\n\r\nUpgraded to 766.4.0 and now constantly experiencing a different docker0 error.\r\n\r\n```\r\ndockerd[730]: time=\"2015-09-17T18:11:21.685146925Z\" level=error msg=\"HTTP Error\" \r\nerr=\"Cannot start container ed3f53b3a3e863ac4332208aaa6c919653487fc34b9e8f734e3a63185f333484: \r\niptables failed: iptables --wait -t nat -A DOCKER -p tcp -d 0/0 --dport 50278 -j DNAT \r\n--to-destination 172.17.0.59:80 ! -i docker0: iptables: \r\nNo chain/target/match by that name.\\n (exit status 1)\" statusCode=500\r\n```\r\n\r\n```\r\nError response from daemon: Cannot start container\r\nda82a8dc5b13babed90b8eb54ba64fcc7bf3a26b984d83f3175a5ec0751b978c: Link not found\r\n```\r\n\r\nWe now have many containers that start up without any network access.\r\n\r\nHost machine is also unable to pull images\r\n\r\n```\r\nPulling repository octoblu/vctl\r\nGet https://index.docker.io/v1/repositories/octoblu/vctl/images: \r\ndial tcp: lookup index.docker.io: Temporary failure in name resolution\r\n```\r\n\r\nI am able to successfully curl `https://index.docker.io/v1/repositories/octoblu/vctl/images` from the host machine, but not from a docker container.\r\n\r\nRestarting docker using systemctl with no other changes on the machine temporarily fixes the issue."},"comment":{"url":"https://api.github.com/repos/coreos/bugs/issues/comments/141193424","html_url":"https://github.com/coreos/bugs/issues/481#issuecomment-141193424","issue_url":"https://api.github.com/repos/coreos/bugs/issues/481","id":141193424,"user":{"login":"crawford","id":368848,"avatar_url":"https://avatars.githubusercontent.com/u/368848?v=3","gravatar_id":"","url":"https://api.github.com/users/crawford","html_url":"https://github.com/crawford","followers_url":"https://api.github.com/users/crawford/followers","following_url":"https://api.github.com/users/crawford/following{/other_user}","gists_url":"https://api.github.com/users/crawford/gists{/gist_id}","starred_url":"https://api.github.com/users/crawford/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/crawford/subscriptions","organizations_url":"https://api.github.com/users/crawford/orgs","repos_url":"https://api.github.com/users/crawford/repos","events_url":"https://api.github.com/users/crawford/events{/privacy}","received_events_url":"https://api.github.com/users/crawford/received_events","type":"User","site_admin":false},"created_at":"2015-09-17T19:16:49Z","updated_at":"2015-09-17T19:16:49Z","body":"I'm unable to reproduce the failure. I pulled both \"ubuntu\" and \"octoblu/vctl\" without issue.\r\n\r\nCan I also see the contents of `/run/flannel_docker_opts.env`?"}}