[    1.910287] ip (257) used greatest stack depth: 12632 bytes left
[    1.945355] ip (260) used greatest stack depth: 12344 bytes left
[   18.073000] ip (1087) used greatest stack depth: 12192 bytes left
[   39.111463] ip (1557) used greatest stack depth: 12064 bytes left
[   53.641113] netem: version 1.3
[  616.963727] tc (12618) used greatest stack depth: 11936 bytes left