misc/105570: [patch] to allow tun(4) in rc.conf 'cloned_interfaces'

[kai poggensee]

>Number:         105570
>Category:       misc
>Synopsis:       [patch] to allow tun(4) in rc.conf 'cloned_interfaces'
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Nov 15 13:30:01 GMT 2006
>Closed-Date:
>Last-Modified:
>Originator:     kai poggensee
>Release:        6.2-PRERELEASE
>Organization:
>Environment:
>Description:

in rc.conf adding tun(4) interfaces to 'cloned_interfaces'
does not work due to the fact that tun interfaces cannot
be created using "ifconfig if create".

The following patch for /etc/network.subr solves this:

http://poeggi.dotsec.net/freebsd/network.subr.diff
>How-To-Repeat:

>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: