[    1.397789] ip (217) used greatest stack depth: 12216 bytes left
[    2.085962] ip (407) used greatest stack depth: 11992 bytes left
[   22.392503] ip (1866) used greatest stack depth: 11960 bytes left
[   51.151588] netem: version 1.3
[   64.217750] ip (4674) used greatest stack depth: 11936 bytes left
[  533.440090] pm_nl_ctl (24817) used greatest stack depth: 11784 bytes left