If the isc-dhcp-server is allocating IPs twice then this is a bug in that package, not MAAS. Can you confirm for certain if this is the case? I thought it was just supposed to stop offering addresses if it had run out.
If the isc-dhcp-server is allocating IPs twice then this is a bug in that package, not MAAS. Can you confirm for certain if this is the case? I thought it was just supposed to stop offering addresses if it had run out.