Updated openstack/openstack
Project: openstack/neutron  b64cac58d20928cefcd4c586195cf964c33395db
null
Don't shadow str

In the  agent/linux/ovs_lib.py we were shadowing the str keyword with
local variable. Let's not do that.

Change-Id: If800804b1e1f12d782bac524c92f300bd77fdd3c