1. Openstack command lines keep poping up warnings which
cause reading comand results wrongly.
2. Update the ubuntu version and packages to remove redundance
which is a historical debt.
Change-Id: I3cdb7a9ec3f0bc41ecfe5b8bf9d44878485de40f Signed-off-by: Yang (Gabriel) Yu <Gabriel.yuyang@huawei.com>
(cherry picked from commit 0ea5233caabae215afb0769194a87f32a430fa2d)