init: run syslog in a net namespace

Since syslog shouldn't need access to the network, put it into a
namespace without any access.

BUG=chromium:764455
TEST=precq passes still

Change-Id: Ib5b838833e73499547e2fde1610d145097f100ea
Reviewed-on: https://chromium-review.googlesource.com/664002
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
1 file changed