kern/154943: [gif] ifconfig gifX create on existing gifX clears IP

[linimon at FreeBSD.org]

Old Synopsis: ifconfig gifX create on existing gifX clears IP
New Synopsis: [gif] ifconfig gifX create on existing gifX clears IP

Responsible-Changed-From-To: freebsd-bugs->freebsd-net
Responsible-Changed-By: linimon
Responsible-Changed-When: Tue Feb 22 03:30:43 UTC 2011
Responsible-Changed-Why: 
reclassify.

http://www.freebsd.org/cgi/query-pr.cgi?pr=154943