The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/overlays/board-overlays/+/d980e67d08e00d66ac9f0b5d69f1cd1e27ebacf2

commit d980e67d08e00d66ac9f0b5d69f1cd1e27ebacf2
Author: Stephen Barber <smbarber@chromium.org>
Date: Thu Mar 08 03:46:51 2018

termina: set LXD_CONF to be owned by chronos

LXD 2.21 attempts to create lockfiles in the LXD_CONF directory, so allow
chronos to own the directory.

BUG= chromium:819746 
TEST=tatl with lxd 2.21 works

Change-Id: I12df6ccba01feb732394ac5511a69a782e6ad395
Reviewed-on: https://chromium-review.googlesource.com/953375
Commit-Ready: Stephen Barber <smbarber@chromium.org>
Tested-by: Stephen Barber <smbarber@chromium.org>
Reviewed-by: Chirantan Ekbote <chirantan@chromium.org>

[modify] https://crrev.com/d980e67d08e00d66ac9f0b5d69f1cd1e27ebacf2/project-termina/chromeos-base/termina-lxd-scripts/files/lxd_setup.sh
[rename] https://crrev.com/d980e67d08e00d66ac9f0b5d69f1cd1e27ebacf2/project-termina/chromeos-base/termina-lxd-scripts/termina-lxd-scripts-0.0.1-r5.ebuild

The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/overlays/chromiumos-overlay/+/ac489877defa5ed3e21fb3bfd72cbdd83dac5e3c

commit ac489877defa5ed3e21fb3bfd72cbdd83dac5e3c
Author: Stephen Barber <smbarber@chromium.org>
Date: Thu Mar 08 08:37:48 2018

app-emulation/lxd: lxd uprev to 2.21

BUG= chromium:819746 
TEST=emerge-tatl lxd

Change-Id: Iab5f93f57ec1af21d85f4294e1f0d1b31d8d217b
Reviewed-on: https://chromium-review.googlesource.com/953209
Commit-Ready: Stephen Barber <smbarber@chromium.org>
Tested-by: Stephen Barber <smbarber@chromium.org>
Reviewed-by: Chirantan Ekbote <chirantan@chromium.org>

[add] https://crrev.com/ac489877defa5ed3e21fb3bfd72cbdd83dac5e3c/app-emulation/lxd/lxd-2.21.ebuild
[modify] https://crrev.com/ac489877defa5ed3e21fb3bfd72cbdd83dac5e3c/app-emulation/lxd/Manifest