[    2.529780] ip (215) used greatest stack depth: 12216 bytes left
[    3.278020] ip (414) used greatest stack depth: 12040 bytes left
[   51.008594] ip (3951) used greatest stack depth: 11992 bytes left
[   52.290932] netem: version 1.3
[  547.694461] pm_nl_ctl (24829) used greatest stack depth: 11864 bytes left