Comment 11 for bug 1630299

Imho, proper fix requires obtaining control over lease process, might be possible with dnsmasq witha --dhcp-script option together with --leasefile-ro (maybe) - and writing our own lease management, for which we will have full control, preventing any IP duplication. Alternativey we need to switch to a different DHCP server which provides API/CLI to control leases. The we can set static leases for all nodes except "discover", and remove them on reset / deletion of node. I'll try to look into dnsmasq, but it may be wiser in long term to switch to something like ISC DHCP server (dhcpd).