[    2.056518] ip (258) used greatest stack depth: 12304 bytes left
[    2.513180] ip (289) used greatest stack depth: 12272 bytes left
[   56.710606] ip (2850) used greatest stack depth: 12248 bytes left
[   56.943166] netem: version 1.3
[  611.081051] tc (15681) used greatest stack depth: 11936 bytes left
[  677.769015] pm_nl_ctl (18825) used greatest stack depth: 11744 bytes left