Description of problem:
Packstack fails with "The iptables provider can not handle attribute outiface"

Version-Release number of selected component (if applicable):
openstack-packstack-2013.2.1-0.10.dev763.fc20.noarch

How reproducible:
In my environment, always

Steps to Reproduce:
1. packstack --answer-file packstack_localhost_allinone.txt


Actual results:
Fails with the following error:

ERROR : Error during puppet run : Error: The iptables provider can not handle attribute outiface
Please check log file /var/tmp/packstack/20131014-171212-FuhYmZ/openstack-setup.log for more information


Expected results:
Works

Additional info:
2013-10-14 17:14:53::ERROR::run_setup::913::root:: Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/packstack/installer/run_setup.py", line 908, in main
    _main(confFile)
  File "/usr/lib/python2.7/site-packages/packstack/installer/run_setup.py", line 577, in _main
    runSequences()
  File "/usr/lib/python2.7/site-packages/packstack/installer/run_setup.py", line 554, in runSequences
    controller.runAllSequences()
  File "/usr/lib/python2.7/site-packages/packstack/installer/setup_controller.py", line 90, in runAllSequences
    sequence.run(self.CONF)
  File "/usr/lib/python2.7/site-packages/packstack/installer/core/sequences.py", line 105, in run
    step.run(config=config)
  File "/usr/lib/python2.7/site-packages/packstack/installer/core/sequences.py", line 52, in run
    raise SequenceError(str(ex))
SequenceError: Error during puppet run : Error: The iptables provider can not handle attribute outiface