netns: Add documentation and update NEWS.

Create a document to describe the how it works and known
limitations and update the NEWS accordingly.

Signed-off-by: Flavio Leitner <fbl@sysclose.org>
Signed-off-by: Ben Pfaff <blp@ovn.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/NEWS b/NEWS
index 757d648a1..83fbe6038 100644
--- a/NEWS
+++ b/NEWS
@@ -6,6 +6,7 @@ Post-v2.9.0
        "table#".  These are not helpful names for the purpose of accepting
        and displaying table names, so now tables by default have no names.
      * The "null" interface type, deprecated since 2013, has been removed.
+     * Add minimum network namespace support for Linux.
    - ovs-ofctl:
      * ovs-ofctl now accepts and display table names in place of numbers.  By
        default it always accepts names and in interactive use it displays them;