Description of problem:
From Hammer, The discovered hosts provision fails with error 'resource have no errors'.

# # hammer -v  discovery provision --name="macaa20803d1e89" --hostgroup="50qtWv" --root-password="c4Rags4krv"
Could not create the host:
  resource have no errors

while the logs are saying the interface.subnet is not assigned to rog and loc but same subnet org and loc are selected in hostgroup being user for provisioning.

LogFile : http://pastebin.test.redhat.com/780339

Version-Release number of selected component (if applicable):
Satellite 6.6 snap 11

How reproducible:
Always on snap 11

Steps to Reproduce:
1. Create hostgroup, subnet to be used by discovered host.
2. Provision the pxe-based BIOS discovered host from cli using SYSLINUX loader
# hammer discovery provision --name="macaa20803d1e89" --hostgroup="50qtWv" --root-password="c4Rags4krv"
3. Check QE test for more info - https://github.com/SatelliteQE/robottelo/blob/master/tests/foreman/cli/test_discoveredhost.py#L407


Actual results:
The discovered host is failing with an error :
Could not create the host:
  resource have no errors

Expected results:
The discovered should be provisioned from satellite successfully.

Additional info: