Backport #1409 to 1.8.1 DHCP-DDNS fails to create A records in power dns by silently dropping the NCR records.
#1409 (closed) corrects mishandling of DNS changes when kea-dhcp4 reuses expired leases.
Edited by Razvan Becheriu
#1409 (closed) corrects mishandling of DNS changes when kea-dhcp4 reuses expired leases.