Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/salt/cloud/cli.py", line 231, in run
    self.config.get('names')
  File "/usr/lib/python2.7/dist-packages/salt/cloud/__init__.py", line 1320, in run_profile
    ret[name] = self.create(vm_)
  File "/usr/lib/python2.7/dist-packages/salt/cloud/__init__.py", line 1190, in create
    output = self.clouds[func](vm_)
  File "/usr/lib/python2.7/dist-packages/salt/cloud/clouds/ec2.py", line 1936, in create
    data, vm_ = request_instance(vm_, location)
  File "/usr/lib/python2.7/dist-packages/salt/cloud/clouds/ec2.py", line 1400, in request_instance
    _new_eni = _create_eni(interface)
  File "/usr/lib/python2.7/dist-packages/salt/cloud/clouds/ec2.py", line 1038, in _create_eni
    if subnet['subnetId'] == interface['SubnetId']:
TypeError: string indices must be integers, not str