Need to enable local arp responder when l2 population is enabled in neutron

[Oleg Bondarev]

Local ARP responder is needed to serve ARP broadcasts locally on compute node by neutron OVS agent. This is part of L2 population feature. In order to enable:

arp_responder=True

should be set in plugin.ini

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/227789

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/7.0
Review: https://review.openstack.org/228484

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/227789
Committed: https://git.openstack.org/cgit/stackforge/fuel-library/commit/?id=a02d3ff9af55c903ff29dd8cd6dd9243e31116cc
Submitter: Jenkins
Branch: master

commit a02d3ff9af55c903ff29dd8cd6dd9243e31116cc
Author: Sergey Kolekonov <email address hidden>
Date: Fri Sep 25 14:29:04 2015 +0300

    Enable ARP responder for L2 population

    Local ARP responder is needed to serve ARP broadcasts locally on compute node
    by neutron OVS agent. This is a part of L2 population feature.

    Closes-bug: #1483584
    Change-Id: Ic1f1809fa93fa8fc715ff638a9e365b49a0e1af4

[Vitaly Sedelnik (vsedelnik)]

Won't Fix for 7.0-updates because of Medium importance

[OpenStack Infra (hudson-openstack)]

Change abandoned by Sergey Kolekonov (<email address hidden>) on branch: stable/7.0
Review: https://review.openstack.org/228484
Reason: The bug is marked as 'Won't fix' for stable/7.0

[Kristina Berezovskaia (kkuznetsova)]

Verify on
VERSION:
  feature_groups:
    - mirantis
  production: "docker"
  release: "8.0"
  openstack_version: "2015.1.0-8.0"
  api: "1.0"
  build_number: "264"
  build_id: "264"
  fuel-nailgun_sha: "0e09dce510927f2cc490b898e5fe3f813bd791be"
  python-fuelclient_sha: "f033192b84263f0e699458a4274289a5198ae7e4"
  fuel-agent_sha: "660c6514caa8f5fcd482f1cc4008a6028243e009"
  fuel-nailgun-agent_sha: "a33a58d378c117c0f509b0e7badc6f0910364154"
  astute_sha: "48fd58676debcc85951db68df6d77c22daa55e52"
  fuel-library_sha: "ab7e51f345ffb7c256e0f61addcf86553d7c3867"
  fuel-ostf_sha: "23b7ae2a1a57de5a3e1861ffb7805394ca339cc2"
  fuel-mirror_sha: "6534117233a5bdc51d7d47361bc7d511e4b11e6f"
  fuelmenu_sha: "fcb15df4fd1a790b17dd78cf675c11c279040941"
  shotgun_sha: "a0bd06508067935f2ae9be2523ed0d1717b995ce"
  network-checker_sha: "a3534f8885246afb15609c54f91d3b23d599a5b1"
  fuel-upgrade_sha: "1e894e26d4e1423a9b0d66abd6a79505f4175ff6"
  fuelmain_sha: "26adf12c320936a97a9b0a84169a6e58c530e848"
(neutron+vlan, neutron+vxlan, neutron+vxlan+l2)

arp_responder=True for neutron+vxlan+l2 pop
arp_responder=False for neutron+vlamn, neutron+vxlan