(nova): TRACE: ['Traceback (most recent call last):\n', '  File "\\/usr\\/lib\\/pymodules\\/python2.6\\/nova\\/rpc.py", line 188, in _receive\n    rval = node_func(context=ctxt, **node_args)\n', '  File "\\/usr\\/lib\\/pymodules\\/python2.6\\/nova\\/network\\/manager.py", line 178, in allocate_fixed_ip\n    instance_id)\n', '  File "\\/usr\\/lib\\/pymodules\\/python2.6\\/nova\\/db\\/api.py", line 334, in fixed_ip_associate_pool\n    return IMPL.fixed_ip_associate_pool(context, network_id, instance_id)\n', '  File "\\/usr\\/lib\\/pymodules\\/python2.6\\/nova\\/db\\/sqlalchemy\\/api.py", line 98, in wrapper\n    return f(*args, **kwargs)\n', '  File "\\/usr\\/lib\\/pymodules\\/python2.6\\/nova\\/db\\/sqlalchemy\\/api.py", line 620, in fixed_ip_associate_pool\n    raise db.NoMoreAddresses()\n', 'NoMoreAddresses: None\n']