tree a9bee63ddca7ef428d3132248e516ff5dbf71750
parent b6dc9d1acb113a6e5c3f9d2f9c296c959878c241
author Michael Johnson <johnsomor@gmail.com> 1561762838 -0700
committer Michael Johnson <johnsomor@gmail.com> 1561762855 -0700

Update tox.ini for new upper constraints strategy

The requirements team has defined a new strategy for handling
upper constraints[1]. This patch applies those strategies to
Octavia.

[1] http://lists.openstack.org/pipermail/openstack-discuss/ \
    2019-May/006478.html

Change-Id: I38a5bedbdd7852bd6e7bfff4917634458a6edbf3