5 upstream: https://docs.openstack.org/networking-ovn/latest/admin/ovn.html
10 ovn4nfv: 651acb603c2f4523905e4fe5134fd8a7940e1f3d
11 - version: opnfv-6.1.0
13 ovn4nfv: 651acb603c2f4523905e4fe5134fd8a7940e1f3d
18 ovn4nfv: 9623c07f59e059ed0b1cdc6fdfec9c7d9996d88d
20 release-notes: http://docs.opnfv.org/en/stable-fraser/submodules/ovn4nfv/docs/release/release-notes/release-notes.html