Add vm_manager logging to ansible when using vm playbooks

[eroussy]

vm_manager uses the python logging system.
It should be possible to output this log during the playbook execution when using ansible with verbose option

First Analyze
vm_manager uses logger = logging.getLogger(__name__)
It should be possible to catch these logs using a custom callback plugins :
https://docs.ansible.com/ansible/latest/dev_guide/developing_plugins.html#developing-callbacks