Updated openstack/openstack
Project: openstack/tempest  d6e1711c2da390c3b53f2f0988b8ad6838d4a393

Migrate advanced server network to tempest clients

Server is now dict. Changes all related methods accordingly.

Also, moved precondition checks from setUpClass to the appropriate method

Partially-implements: bp:tempest-client-scenarios

Change-Id: I2ad10c3a095b5e326579edfde83d7abcfe077fba