[CRIU] [PATCH] zdtm: suppress error messages if a cgroup holder exists

[Pavel Emelyanov]

On 03/26/2015 11:15 AM, Andrey Vagin wrote:
> mkdir: cannot create directory ‘zdtm.mpAWGL/holder’: File exists
> 
> Reported-by: Cyrill Gorcunov <gorcunov at openvz.org>
> Signed-off-by: Andrey Vagin <avagin at openvz.org>

Applied