Comment 3 for bug 1381586

In https://github.com/stackforge/fuel-main/blob/a51416a48c9bb7481a6b870d825c07f274fd0184/fuelweb_test/models/fuel_web_client.py#L1227
we expect cidr nailgun cidr is 10.0.0.0/16
after deploy with juno we got list of sub-nets
root@node-1:~# . openrc; nova net-list
Tatyanka_Leontov
+--------------------------------------+---------------+---------------+
Tatyanka_Leontov
| ID | Label | CIDR |
Tatyanka_Leontov
+--------------------------------------+---------------+---------------+
Tatyanka_Leontov
| 6ef5f761-846a-4e1e-a08f-4ef8cd9fad3d | novanetwork_0 | 10.0.0.0/27 |
Tatyanka_Leontov
| 8a9b6b94-ac16-4f17-bb46-277a327563cd | novanetwork_1 | 10.0.0.32/27 |
Tatyanka_Leontov
| c4bfe01b-ed30-4de7-b194-0a2efa48eac3 | novanetwork_2 | 10.0.0.64/27 |
Tatyanka_Leontov
| a1c4ddb4-e6b0-481f-bd3b-743a3586557b | novanetwork_3 | 10.0.0.96/27 |
Tatyanka_Leontov
| 9681d285-7409-418c-bf88-cc43bc1937e2 | novanetwork_4 | 10.0.0.128/27 |
Tatyanka_Leontov
| 268e8bd5-187d-40d7-bb82-88e5fbf078a7 | novanetwork_5 | 10.0.0.160/27 |
Tatyanka_Leontov
| 6e052de3-2add-483d-b0e5-f635baa6dd6a | novanetwork_6 | 10.0.0.192/27 |
Tatyanka_Leontov
| 08f7b6be-51d4-48a0-92a1-072b3cdd0b47 | novanetwork_7 | 10.0.0.224/27 |