[    1.371112] ip (218) used greatest stack depth: 12152 bytes left
[    1.499520] ip (258) used greatest stack depth: 11944 bytes left
[   52.351638] netem: version 1.3
[   85.456934] ip (4855) used greatest stack depth: 11928 bytes left
[  101.178039] ip (5033) used greatest stack depth: 11896 bytes left
[  519.002992] tc (20915) used greatest stack depth: 11704 bytes left