this change addresses: https://gitlab.isc.org/isc-private/qa-dhcp/issues/151 and partially https://gitlab.isc.org/isc-private/qa-dhcp/issues/9 and partially https://gitlab.isc.org/isc-private/qa-dhcp/issues/107
this change addresses: https://gitlab.isc.org/isc-private/qa-dhcp/issues/151 and partially https://gitlab.isc.org/isc-private/qa-dhcp/issues/9 and partially https://gitlab.isc.org/isc-private/qa-dhcp/issues/107