[    2.530015] ip (213) used greatest stack depth: 12312 bytes left
[    3.237459] ip (395) used greatest stack depth: 12040 bytes left
[    6.793509] ip (1374) used greatest stack depth: 12008 bytes left
[   52.329812] netem: version 1.3
[  531.007437] pm_nl_ctl (24672) used greatest stack depth: 11856 bytes left