Tempest Rhel7: IPv6 Allowed address pair has cidr info

Mainline/2683/Rhel7/Kilo

Tempest Case:
tempest.api.network.test_allowed_address_pair.AllowedAddressPairIpV6TestJSON.test_update_port_with_multiple_ip_mac_address_pair

Updated allowed-address-pairs is not as same as configured

Configured:
[{'ip_address': u'2003::3', 'mac_address': u'02:e7:bf:21:65:b1'},
 {'ip_address': u'2003::4', 'mac_address': u'02:d1:21:52:71:50'}]

Retrieved:
[{u'ip_address': [u'2003::3/128'], u'mac_address': u'02:e7:bf:21:65:b1'},
 {u'ip_address': [u'2003::4/128'], u'mac_address': u'02:d1:21:52:71:50'}]

[root@a5s165 ~(keystone_admin)]# neutron port-show caa7ea07-d94e-4db1-ad3d-f442d5f4b40d
+-----------------------+--------------------------------------------------------------------------------+
| Field | Value |
+-----------------------+--------------------------------------------------------------------------------+
| admin_state_up | True |
| allowed_address_pairs | {"ip_address": ["2003::3/128"], "mac_address": "02:f6:8c:58:b1:c5"} |
| | {"ip_address": ["2003::4/128"], "mac_address": "02:f5:5d:5b:ea:f7"} |
| binding:vif_details | {"port_filter": true} |
| binding:vif_type | vrouter |
| binding:vnic_type | normal |
| device_id | |
| device_owner | |
| fixed_ips | {"subnet_id": "59573c69-a2dc-4b44-bf79-f9bb88147239", "ip_address": "2003::5"} |
| id | caa7ea07-d94e-4db1-ad3d-f442d5f4b40d |
| mac_address | 02:ca:a7:ea:07:d9 |
| name | caa7ea07-d94e-4db1-ad3d-f442d5f4b40d |
| network_id | 72e555b6-2b59-4939-80f1-d4e43634b609 |
| security_groups | 48b1dfd6-4ba8-479e-a103-b03f3c88a6a1 |
| status | DOWN |
| tenant_id | 2eb241bca66f43cfa9e595948d8ecfd4 |
+-----------------------+--------------------------------------------------------------------------------+
[root@a5s165 ~(keystone_admin)]#