neutron lib warnings in ipv6_util;s

[Gary Kotton]

Captured stderr:
~~~~~~~~~~~~~~~~
    /home/gkotton/networking-sfc/.tox/py27/src/neutron/neutron/common/ipv6_utils.py:70: DeprecationWarning: IPV6_SLAAC in version 'mitaka' and will be removed in version 'newton': moved to neutron_lib.constants
      modes = [constants.IPV6_SLAAC, constants.DHCPV6_STATELESS]
    /home/gkotton/networking-sfc/.tox/py27/src/neutron/neutron/common/ipv6_utils.py:70: DeprecationWarning: DHCPV6_STATELESS in version 'mitaka' and will be removed in version 'newton': moved to neutron_lib.constants
      modes = [constants.IPV6_SLAAC, constants.DHCPV6_STATELESS]

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/349260

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/349260
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=38f1ec03f94fc6936fe7ea51471e89d432a68099
Submitter: Jenkins
Branch: master

commit 38f1ec03f94fc6936fe7ea51471e89d432a68099
Author: Gary Kotton <email address hidden>
Date: Sun Jul 31 05:28:37 2016 -0700

    Remove neutron lib warnings from ipv6_utils

    Removes:

        neutron/common/ipv6_utils.py:70: DeprecationWarning: IPV6_SLAAC in version
        'mitaka' and will be removed in version 'newton': moved to neutron_lib.constants

    Same for DHCPV6_STATELESS

    TrivialFix

    This also bumps the neutron-lib version following the commit above.

    Depends-On: 06d11930aded9c73ab9539d1730e3eb8655730a9
    Change-Id: I174a99c9e2c126ac910b017342010d988ac2abdc
    Closes-bug: #1608224

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/neutron 9.0.0.0b3 development milestone.