Consume interface_ip from nodepool node

With nodepool putting interface_ip into the node record, which has
already had the v4/v6 calculated, we should just consume that here for
the inventory building.

Change-Id: Ia64aa826ba8f3c54ca883a246163db2639471170
Depends-On: I2b4d992e3b21c00cefe98023267347c02dd961dc
1 file changed