Comment 9 for bug 1190986

Got another instance maybe? maas package version: 1.6.1+bzr2548-0ubuntu1~ppa1

ERROR 2014-08-19 20:01:18,871 maasserver ################################ Exception: 'Nonce already used: 48723931' ################################
ERROR 2014-08-19 20:01:18,871 maasserver Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/django/core/handlers/base.py", line 112, in get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/usr/lib/python2.7/dist-packages/django/views/decorators/vary.py", line 19, in inner_func
    response = func(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/piston/resource.py", line 128, in __call__
    actor, anonymous = self.authenticate(request, rm)
  File "/usr/lib/python2.7/dist-packages/maasserver/api_support.py", line 67, in authenticate
    RestrictedResource, self).authenticate(request, rm)
  File "/usr/lib/python2.7/dist-packages/piston/resource.py", line 103, in authenticate
    if not authenticator.is_authenticated(request):
  File "/usr/lib/python2.7/dist-packages/maasserver/api_auth.py", line 60, in is_authenticated
    raise OAuthUnauthorized(error)
OAuthUnauthorized: 'Nonce already used: 48723931'