K 10
svn:author
V 3
kan
K 8
svn:date
V 27
2017-12-23T16:23:58.555011Z
K 7
svn:log
V 259
Do not double free the memory in if_clone.

if_clone_attach function will drop the reference on failure  which will
free the if_clone structure. No need to do it second time.

Reviewed by: glebius, ae
Differential Revision: https://reviews.freebsd.org/D10386

END