{"action":"created","issue":{"url":"https://api.github.com/repos/projectcalico/calico-docker/issues/553","labels_url":"https://api.github.com/repos/projectcalico/calico-docker/issues/553/labels{/name}","comments_url":"https://api.github.com/repos/projectcalico/calico-docker/issues/553/comments","events_url":"https://api.github.com/repos/projectcalico/calico-docker/issues/553/events","html_url":"https://github.com/projectcalico/calico-docker/issues/553","id":112678440,"number":553,"title":"ip6_tables not installed in vagrant demo","user":{"login":"caseydavenport","id":1944093,"avatar_url":"https://avatars.githubusercontent.com/u/1944093?v=3","gravatar_id":"","url":"https://api.github.com/users/caseydavenport","html_url":"https://github.com/caseydavenport","followers_url":"https://api.github.com/users/caseydavenport/followers","following_url":"https://api.github.com/users/caseydavenport/following{/other_user}","gists_url":"https://api.github.com/users/caseydavenport/gists{/gist_id}","starred_url":"https://api.github.com/users/caseydavenport/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/caseydavenport/subscriptions","organizations_url":"https://api.github.com/users/caseydavenport/orgs","repos_url":"https://api.github.com/users/caseydavenport/repos","events_url":"https://api.github.com/users/caseydavenport/events{/privacy}","received_events_url":"https://api.github.com/users/caseydavenport/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-10-21T21:03:47Z","updated_at":"2015-10-21T21:22:34Z","closed_at":null,"body":"Seen in the CoreOS `vagrant up` demo in the Felix logs.\r\n\r\n```\r\nip6tables-save v1.4.21: Cannot initialize: iptables who? (do you need to insmod?)\r\n\r\n2015-10-21 20:46:27,444 [ERROR][7354/6] calico.felix.actor 233: Exception processing 7f95d8c99f7a (_load_chain_names_from_iptables)\r\nTraceback (most recent call last):\r\n  File \"/usr/local/lib/python2.7/dist-packages/calico/felix/actor.py\", line 231, in _step\r\n    result = msg.method()\r\n  File \"/usr/local/lib/python2.7/dist-packages/calico/felix/fiptables.py\", line 187, in _load_chain_names_from_iptables\r\n    self.table])\r\n  File \"/usr/local/lib/python2.7/dist-packages/gevent/subprocess.py\", line 167, in check_output\r\n    raise ex\r\nCalledProcessError: Command '['ip6tables-save', '--table', 'filter']' returned non-zero exit status 1\r\n```\r\n\r\nLooks like `ip6_tables` is not installed anymore after the `checksystem --fix` changes."},"comment":{"url":"https://api.github.com/repos/projectcalico/calico-docker/issues/comments/150027968","html_url":"https://github.com/projectcalico/calico-docker/issues/553#issuecomment-150027968","issue_url":"https://api.github.com/repos/projectcalico/calico-docker/issues/553","id":150027968,"user":{"login":"caseydavenport","id":1944093,"avatar_url":"https://avatars.githubusercontent.com/u/1944093?v=3","gravatar_id":"","url":"https://api.github.com/users/caseydavenport","html_url":"https://github.com/caseydavenport","followers_url":"https://api.github.com/users/caseydavenport/followers","following_url":"https://api.github.com/users/caseydavenport/following{/other_user}","gists_url":"https://api.github.com/users/caseydavenport/gists{/gist_id}","starred_url":"https://api.github.com/users/caseydavenport/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/caseydavenport/subscriptions","organizations_url":"https://api.github.com/users/caseydavenport/orgs","repos_url":"https://api.github.com/users/caseydavenport/repos","events_url":"https://api.github.com/users/caseydavenport/events{/privacy}","received_events_url":"https://api.github.com/users/caseydavenport/received_events","type":"User","site_admin":false},"created_at":"2015-10-21T21:22:34Z","updated_at":"2015-10-21T21:22:34Z","body":"Looks like an issue with the way we're calling `modprobe` in `node_start(..)`\r\n\r\nWe run the following:\r\n```\r\nmodprobe xt_set ip6_tables\r\n```\r\n\r\nWhich appears to install `xt_set`, but not `ip6_tables`.  I think we need to include the `-a` option on modprobe, which indicates that it should treat all arguments as modules to be installed.\r\n\r\ne.g\r\n```\r\nmodprobe -a xt_set ip6_tables\r\n```"}}