State: - file
    Name:      /etc/network/interfaces
    Function:  managed
        Result:    False
        Comment:   Traceback (most recent call last):
  File "/usr/lib/pymodules/python2.7/salt/utils/templates.py", line 58, in render_tmpl
    output = render_str(tmplstr, context, tmplpath)
  File "/usr/lib/pymodules/python2.7/salt/utils/templates.py", line 107, in render_jinja_tmpl
    output = jinja_env.from_string(tmplstr).render(**context)
  File "/usr/lib/python2.7/dist-packages/jinja2/environment.py", line 894, in render
    return self.environment.handle_exception(exc_info, True)
  File "<template>", line 3, in top-level template code
  File "/usr/lib/python2.7/dist-packages/jinja2/environment.py", line 954, in module
    self._module = rv = self.make_module()
  File "/usr/lib/python2.7/dist-packages/jinja2/environment.py", line 938, in make_module
    return TemplateModule(self, self.new_context(vars, shared, locals))
  File "/usr/lib/python2.7/dist-packages/jinja2/environment.py", line 994, in __init__
    self._body_stream = list(template.root_render_func(context))
  File "/var/cache/salt/minion/files/network_rework/network/file/Ubuntu/base.jinja", line 4, in top-level template code
    {% set phys_lan = salt['pillar.get']('physical_iface', []) -%}
  File "/usr/lib/python2.7/dist-packages/jinja2/environment.py", line 353, in getitem
    return obj[argument]
UndefinedError: 'salt' is undefined

        Changes: