Fix irond logging configuration

Use Juniper's configuration and allow to change the debug level.

https://github.com/Juniper/contrail-packages/commit/db218cfc6da7ef7431bb2aab8a719b724abba0b0

Change-Id: Id51ae1fae96541494ef90c37b3fcd65d9843ed15
Closes-Bug: #PROD-15665
2 files changed