- fix check for foreign node - fix case when multiple slice attributes of the same type have been set   (e.g. proper_op)
- fix check for foreign node
- fix case when multiple slice attributes of the same type have been set
  (e.g. proper_op)


dreibh/planetlab-lxc-plcapi,dreibh/planetlab-lxc-plcapi,dreibh/planetlab-lxc-plcapi,dreibh/planetlab-lxc-plcapi