device: SI and LT_IAS networks via IPAM; trunk: trunk network via IPAM

create_device: allocation of SI and LT_IAS networks via IPAM; create_iptrunk: allocation of trunk networks via IPAM.

requested review from @simone.spinelli

assigned to @simone.spinelli

@Aleksandr.Kurbatov code does not pass tox. First fix that. You can test from the main directory the output of "tox" command.

closed