Add associated UUIDs to track logs
Add associated UUIDs to track logs

Currently there were many debugs statements that were kind of useless
when debugging as there was no associated UUIDs to track in logs.

This commit improves log debug statements.

Closes-Bug: #1516499
Change-Id: Ic025e639b438abc025c7342ef3baa05125a54aaa

stackforge/networking-plumgrid,stackforge/networking-plumgrid,openstack/networking-plumgrid,openstack/networking-plumgrid