{"action":"closed","issue":{"url":"https://api.github.com/repos/ganeti/ganeti/issues/23","labels_url":"https://api.github.com/repos/ganeti/ganeti/issues/23/labels{/name}","comments_url":"https://api.github.com/repos/ganeti/ganeti/issues/23/comments","events_url":"https://api.github.com/repos/ganeti/ganeti/issues/23/events","html_url":"https://github.com/ganeti/ganeti/issues/23","id":104928922,"number":23,"title":"Openvswitch MTU resets when instance starts","user":{"login":"mbakke","id":1269099,"avatar_url":"https://avatars.githubusercontent.com/u/1269099?v=3","gravatar_id":"","url":"https://api.github.com/users/mbakke","html_url":"https://github.com/mbakke","followers_url":"https://api.github.com/users/mbakke/followers","following_url":"https://api.github.com/users/mbakke/following{/other_user}","gists_url":"https://api.github.com/users/mbakke/gists{/gist_id}","starred_url":"https://api.github.com/users/mbakke/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mbakke/subscriptions","organizations_url":"https://api.github.com/users/mbakke/orgs","repos_url":"https://api.github.com/users/mbakke/repos","events_url":"https://api.github.com/users/mbakke/events{/privacy}","received_events_url":"https://api.github.com/users/mbakke/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-09-04T16:58:51Z","updated_at":"2015-09-06T22:36:31Z","closed_at":"2015-09-06T22:36:31Z","body":"Hi,\r\n\r\nI'm using Ganeti+KVM 2.15 from [jfut/ganeti-rpm](https://github.com/jfut/ganeti-rpm) on Centos 7 with MTU 9000. When an instance starts on an Openswitch bridge, all OVS ports are reset to MTU 1500. Creating the `tap` in OVS (aka `kvm-ifup`) works fine, it only happens when the \"physical\" tapX is created on the host."}}