network = models.ForeignKey(Network)
sliver = models.ForeignKey(Sliver)
ip = models.GenericIPAddressField(help_text="Sliver ip address", blank=True, null=True)
+ port_id = models.CharField(null=True, blank=True, max_length=256, help_text="Quantum port id")
def save(self, *args, **kwds):
slice = self.sliver.slice