doubled log message on debug level during HA sync
during HA sync testing I found little quirk DHCPSRV_MEMFILE_GET_ADDR6
message is logged twice:
2019-01-07 06:44:39.966 DEBUG [kea-dhcp6.dhcpsrv/10887] DHCPSRV_MEMFILE_GET_ADDR6 obtaining IPv6 lease for address 2001:db8:1::b7 and lease type IA_NA
2019-01-07 06:44:39.966 DEBUG [kea-dhcp6.dhcpsrv/10887] DHCPSRV_MEMFILE_ADD_ADDR6 adding IPv6 lease with address 2001:db8:1::b7
2019-01-07 06:44:39.966 DEBUG [kea-dhcp6.dhcpsrv/10887] DHCPSRV_MEMFILE_GET_ADDR6 obtaining IPv6 lease for address 2001:db8:1::b7 and lease type IA_NA