def set_kv(self, key, value):
key_str = "nic.{0}.{1}.{2}".format(self.primary, key, self.alias)
kv = self.obj.keyvalue_set.filter(key=key_str)
if kv:
kv = kv[0]
kv.value = value
kv.save()
else:
kv = System.KeyValue(key=key_str, value=str(value))
kv.save()
setattr(self, key, value)
return
