K 10
svn:author
V 5
eugen
K 8
svn:date
V 27
2017-10-01T19:40:29.174747Z
K 7
svn:log
V 311
MFC r323873, r324081: Unprotected modification of ng_iface(4)
private data leads to kernel panic. Fix a race with per-node
read-mostly lock and refcounting for a hook.

PR:			220076
Tested by:		peixoto.cassiano
Approved by:		mav (mentor)
Relnotes:		yes
Differential Revision:	https://reviews.freebsd.org/D12435

END