[    1.841060] ip (245) used greatest stack depth: 12392 bytes left
[    2.035799] ip (257) used greatest stack depth: 12344 bytes left
[   52.831806] netem: version 1.3
[  108.450570] ip (2738) used greatest stack depth: 12072 bytes left
[  561.939575] tc (11917) used greatest stack depth: 11872 bytes left