[    2.503326] ip (219) used greatest stack depth: 12576 bytes left
[    2.562471] ip (237) used greatest stack depth: 12080 bytes left
[    3.163921] ip (395) used greatest stack depth: 12040 bytes left
[   52.145103] netem: version 1.3
[  544.669764] pm_nl_ctl (24681) used greatest stack depth: 11856 bytes left