We have extra SQLs generated in the NetworkManager when passing
node_id instead already loaded SQLAlchemy node object.
Additional changes:
- Bulk insert used in IPs assiging process.
- zip changed on six.moves.zip in the NetworkManager.
- Removed unused function get_admin_ips_for_interfaces from NetworkManager.
Co-Authored-By: Dmitry Guryanov <dguryanov@mirantis.com>
Partial-Bug: #1498365
Change-Id: I0518a5879c775d568de5652dbdd856a0cede80ce