{"action":"created","issue":{"url":"https://api.github.com/repos/coreos/bugs/issues/475","labels_url":"https://api.github.com/repos/coreos/bugs/issues/475/labels{/name}","comments_url":"https://api.github.com/repos/coreos/bugs/issues/475/comments","events_url":"https://api.github.com/repos/coreos/bugs/issues/475/events","html_url":"https://github.com/coreos/bugs/issues/475","id":106626852,"number":475,"title":"network: interface goes down","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},"labels":[{"url":"https://api.github.com/repos/coreos/bugs/labels/component/distro","name":"component/distro","color":"0052cc"},{"url":"https://api.github.com/repos/coreos/bugs/labels/component/other","name":"component/other","color":"0052cc"},{"url":"https://api.github.com/repos/coreos/bugs/labels/kind/bug","name":"kind/bug","color":"FF0000"},{"url":"https://api.github.com/repos/coreos/bugs/labels/priority/P2","name":"priority/P2","color":"fbca04"},{"url":"https://api.github.com/repos/coreos/bugs/labels/team/os","name":"team/os","color":"ffffff"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":12,"created_at":"2015-09-15T19:21:32Z","updated_at":"2015-10-26T15:04:38Z","closed_at":null,"body":"_From @greenpau on September 14, 2015 13:32_\n\n\r\nInitially, the interface look good and work find:\r\n\r\n```\r\n3: ens1f0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000\r\n    link/ether a0:48:1c:b9:9b:a0 brd ff:ff:ff:ff:ff:ff\r\n    inet 10.187.10.10/24 brd 10.187.10.255 scope global ens1f0\r\n       valid_lft forever preferred_lft forever\r\n    inet6 fe80::a248:1cff:feb9:9ba0/64 scope link \r\n       valid_lft forever preferred_lft forever\r\n```\r\n\r\nHowever, after some period or scheduled updates, the interface shows `DOWN`. Importantly, the switch it is connected to shows UP.\r\n\r\n```\r\ncore@td-np10 ~ $ ip link show dev ens1f0\r\n3: ens1f0: <BROADCAST,MULTICAST> mtu 1500 qdisc mq state DOWN mode DEFAULT group default qlen 1000\r\n    link/ether a0:48:1c:b9:9b:a0 brd ff:ff:ff:ff:ff:ff\r\ncore@td-np10 ~ $ \r\ncore@td-np10 ~ $ sudo ip link set dev ens1f0 up\r\nRTNETLINK answers: N\r\n```\r\n\r\nPlease assisnt\n\n_Copied from original issue: coreos/ignition#132_"},"comment":{"url":"https://api.github.com/repos/coreos/bugs/issues/comments/151166918","html_url":"https://github.com/coreos/bugs/issues/475#issuecomment-151166918","issue_url":"https://api.github.com/repos/coreos/bugs/issues/475","id":151166918,"user":{"login":"greenpau","id":3826416,"avatar_url":"https://avatars.githubusercontent.com/u/3826416?v=3","gravatar_id":"","url":"https://api.github.com/users/greenpau","html_url":"https://github.com/greenpau","followers_url":"https://api.github.com/users/greenpau/followers","following_url":"https://api.github.com/users/greenpau/following{/other_user}","gists_url":"https://api.github.com/users/greenpau/gists{/gist_id}","starred_url":"https://api.github.com/users/greenpau/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/greenpau/subscriptions","organizations_url":"https://api.github.com/users/greenpau/orgs","repos_url":"https://api.github.com/users/greenpau/repos","events_url":"https://api.github.com/users/greenpau/events{/privacy}","received_events_url":"https://api.github.com/users/greenpau/received_events","type":"User","site_admin":false},"created_at":"2015-10-26T15:04:38Z","updated_at":"2015-10-26T15:04:38Z","body":"> @greenpau Is this still a problem with the 4.2.2 kernel?\r\n\r\n@crawford , it is still a problem with default `sfc` drivers.\r\n\r\n> We use the upstream sources with a few patches on top\r\n\r\nI created a docker container for SFC driver updates.  I will compile it again against 4.2.2.\r\n\r\nhttps://github.com/greenpau/docker-sfc/blob/master/coreos/Dockerfile\r\n\r\n> We use the upstream sources with a few patches on top\r\n\r\nI am planning to use https://packages.gentoo.org/packages/sys-kernel/gentoo-sources\r\n\r\nIt will work, right?\r\n\r\nAlso, I would like to replace the default `/lib/modules/4.2.2-coreos-r1/kernel/drivers/net/ethernet/sfc/sfc.ko` with a newly compiled driver. What is the best way(s...) to accomplish that (given it is a read-only fs)?"}}