It's hard to deal with it in pythonneutron-client,
and maybe the another way is that add verification in neutron code, don't allocate new ip if there is a IP specified in list has the in the same subnet pool that also in the list.
It's hard to deal with it in pythonneutron- client,
and maybe the another way is that add verification in neutron code, don't allocate new ip if there is a IP specified in list has the in the same subnet pool that also in the list.