kardel@NetBSD.org said:
> Module Name:	src Committed By:	kardel Date:		Sat Jun 17 12:11:55 UTC
> 2006
> Modified Files:
> 	src/dist/ntp/ntpd: ntp_io.c
> Log Message: cope with situations where interface are UP and bound to
> INADDR_ANY - ntpd will ignore those interfaces (bug 637
> @bugs.ntp.isc.org) 

The interfaceiter code (ifiter_sysctl.c and ifiter_ioctl.c) tries to
ignore these.
Would be good to understand why another layer of code is needed here.

best regards
Matthias