The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/platform2/+/2924f54357ec42d1e92e0297dbb81c97f2e1d360

commit 2924f54357ec42d1e92e0297dbb81c97f2e1d360
Author: Lutz Justen <ljusten@chromium.org>
Date: Tue Feb 21 16:49:38 2017

authpolicy: Add sendmmsg for net ads seccomp filter

Fixes seccomp failure that occurred during tests.

BUG= chromium:692496 
TEST=None

Change-Id: Ieb0f75df4500bdc0851f3686367c9c8f4c11d85e
Reviewed-on: https://chromium-review.googlesource.com/443587
Commit-Ready: Lutz Justen <ljusten@chromium.org>
Tested-by: Lutz Justen <ljusten@chromium.org>
Reviewed-by: Thiemo Nagel <tnagel@chromium.org>
Reviewed-by: Roman Sorokin <rsorokin@chromium.org>

[modify] https://crrev.com/2924f54357ec42d1e92e0297dbb81c97f2e1d360/authpolicy/seccomp_filters/net_ads-seccomp.policy