Comment 5 for bug 1712388

Reviewed: https://review.openstack.org/497187
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=26383b0339120875c4cf464c710fe25c47460d7b
Submitter: Jenkins
Branch: stable/ocata

commit 26383b0339120875c4cf464c710fe25c47460d7b
Author: venkata anil <email address hidden>
Date: Wed Aug 23 14:01:19 2017 +0300

    Fix test_keepalived_ipv6_support for Keepalived v1.2.20

    In commit [1] (some explanation in [2] ) VRRP initialisation is enhanced
    to read source IP address(to use when sending VRRP packets) from the
    HA interface or from keepalived config("unicast_src_ip" parameter).
    If it is unable to find IP address, VRRP initialisation will fail with
    error "Cannot find an IP address to use for interface".

    In the test, we set vrrp->family to AF_INET by setting vip to
    169.254.0.1/24 through config, but not providing source IPv4 address(i.e
    no 'unicast_src_ip' option or no IP on HA interface), making the test
    to fail with [1]. To fix that, we set the IP address on HA interface.

    Note: Commit [1] is added in Keepalived version 1.2.20.
    Tested the fix on both Keepalived v1.2.19 and Keepalived v1.2.20.

    [1] https://github.com/acassen/keepalived/commit/37488e57
    [2] https://github.com/acassen/keepalived/issues/445

    Closes-bug: #1712388
    Change-Id: I260c0e6810ed54c93f93621afa6ab13855ef2428
    (cherry picked from commit 334a1ed7d52afa21230db8588dd4cc1673386ae3)