Add new tasks to os_port playbook
Add new tasks to os_port playbook

The allowed_address_pairs and extra_dhcp_opts parameters were
broken in Ansible. We should make sure those are tested.

NOTE: This will not pass tests until this merges and gets released:

  https://github.com/ansible/ansible-modules-core/pull/3303

Change-Id: I51ceb5305109f6f1c4f1890903f117a9ed250d56

stackforge/python-openstacksdk,dtroyer/python-openstacksdk,stackforge/python-openstacksdk,openstack-infra/shade,openstack/python-openstacksdk,dtroyer/python-openstacksdk,openstack-infra/shade,openstack/python-openstacksdk