bin/52777: dhcpd not able to update DNS

[kab00m%almaz.labma.ru@localhost]

>Number:         52777
>Category:       bin
>Synopsis:       ISC dhcpd in /usr/src not able to update DNS
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    bin-bug-people
>State:          open
>Class:          support
>Submitter-Id:   net
>Arrival-Date:   Sat Dec 02 02:15:00 +0000 2017
>Originator:     Dima Veselov
>Release:        NetBSD 7.1_STABLE
>Organization:
	
>Environment:
	
	
System: NetBSD almaz.labma.ru 7.1_STABLE NetBSD 7.1_STABLE (Amusing) #4: Fri Nov 17 14:44:54 MSK 2017 kab00m%almaz.labma.ru@localhost:/usr/obj/sys/arch/amd64/compile/Amusing amd64
Architecture: x86_64
Machine: amd64
>Description:
	Updated 7.1_STABLE system (dhcpd 4.3.0) seem to be not able to update DDNS. Version as of 2017 May was able to do that. Tested from any side with any options - update do not happen without any error. Tcpdump show no packets to the DNS host. ISC dhcpd built from pkgsrc (4.3.6 at 2017 Dec, 1) work with same configuration file and leases file.
>How-To-Repeat:
	Build and install world as of 2017 Nov, 10 at least.
>Fix:
	Install pkgsrc/net/isc_dhcpd and link /etc/dhcpd.conf to /usr/pkg/etc/dhcp/dhcpd.conf

>Unformatted:
 Built 7.1-STABLE updated at 2017 Nov, 10