prelude section is prepared for general comments about a release [1].
At now neutron release notes use prelude section randomly.
Some rel notes use it and some do not.
This commit drop or move prelude section in Pike release notes.
In addition, some guideline on writing a release note
to the release notes howto page.
Change-Id: I53fefcc3eed30700d095c77d9e000319668097e8
Implements the port data plane status extension. Third parties
can report via Neutron API issues in the underlying data plane
affecting connectivity from/to Neutron ports.
Supported statuses:
- None: no status being reported; default value
- ACTIVE: all is up and running
- DOWN: no traffic can flow from/to the Neutron port
Setting attribute available to admin or any user with specific role
(default role: data_plane_integrator).
ML2 extension driver loaded on request via configuration:
[ml2]
extension_drivers = data_plane_status
Related-Bug: #1598081
Related-Bug: #1575146
DocImpact: users can get status of the underlying port data plane;
attribute writable by admin users and users granted the
'data-plane-integrator' role.
APIImpact: port now has data_plane_status attr, set on port update
Implements: blueprint port-data-plane-status
Depends-On: I04eef902b3310f799b1ce7ea44ed7cf77c74da04
Change-Id: Ic9e1e3ed9e3d4b88a4292114f4cb4192ac4b3502