Ошибки в работе cgred

group user {
	perm {
		task {
			uid = user;
			gid = user;
		}
		admin {
			uid = user;
			gid = user;
		}
	}
	cpuset {
		cpuset.cpus = 1;
	}
	cpu { 
		cpu.shares = 1000;
	}
	memory { 
		memory.limit_in_bytes = 2000000000; 
	}
}

mount {
	cpu = /mnt/cgroups/cpu;
	cpuset = /mnt/cgroups/cpuset;
	memory = /mnt/cgroups/memory;
}

user:/usr/bin/urxvt			cpu,cpuset,memory	user/

CGRE[5942]: Cgroup change for PID: 6060, UID: 1000, GID: 1000, PROCNAME: /usr/bin/urxvtc FAILED! (Error Code: 50004)
CGRE[8137]: Cgroup change for PID: 8364, UID: 1000, GID: 1000, PROCNAME: /usr/bin/urxvt FAILED! (Error Code: 50016)