port-i386/39880: ioctl with SIOCGIFFLAGS fails on -current (in GNUstep gdomap)

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>Number:         39880
>Category:       port-i386
>Synopsis:       ioctl with SIOCGIFFLAGS fails on -current (in GNUstep gdomap)
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-i386-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Nov 07 18:30:00 +0000 2008
>Originator:     Riccardo
>Release:        4.0.1 with currente kernel
>Organization:
>Environment:
NetBSD saruman 5.99.01 NetBSD 5.99.01 (GENERIC) #0: Wed Nov  5 10:35:40 PST 
2008  
builds@wb24:/home/builds/ab/HEAD/i386/200811050002Z-obj/home/builds/ab/HEAD/src/sys/arch/i386/compile/GENERIC
 i386

>Description:
when using a current kernel, GNUstep's gdomap daemon fails with:

SIOCGIFFLAGS: Device not configured
SIOCGIFFLAGS: Device not configured
SIOCGIFFLAGS: Device not configured
SIOCGIFFLAGS: Device not configured
SIOCGIFFLAGS: Device not configured
SIOCGIFFLAGS: Device not configured
SIOCGIFFLAGS: Device not configured
SIOCGIFFLAGS: Device not configured
SIOCGIFFLAGS: Device not configured
SIOCGIFFLAGS: Device not configured
I can't find any network interfaces on this platform - use the '-a' flag to 
load interface details from a file instead

the same binary runs on the 4.0.1 kernel.

The failing line is :
      if (ioctl(desc, SIOCGIFFLAGS, (char *)&ifreq) < 0)
in gdomap.c

>How-To-Repeat:
Install gnustep base (I used svn trunk) and start the gdomap daemon with
"gdomap -d -f" to avoid forking it ans being able to check its output.
>Fix: