[    2.479056] ip (214) used greatest stack depth: 12312 bytes left
[    2.597205] ip (255) used greatest stack depth: 12040 bytes left
[   52.333744] netem: version 1.3
[   60.747562] ip (4475) used greatest stack depth: 12008 bytes left
[  547.616970] pm_nl_ctl (24669) used greatest stack depth: 11856 bytes left