Known issue, fixed in 028stab051 kernel http://git.openvz.org/?p=linux-2.6.18-openvz;a=commit;h=80b67f887e112c5431cc2826574f506aa2908f16 http://bugzilla.openvz.org/show_bug.cgi?id=732 thank You for bugreport, Vasily Averin