[    2.466070] ip (286) used greatest stack depth: 12360 bytes left
[    2.573456] ip (295) used greatest stack depth: 12344 bytes left
[   56.746273] netem: version 1.3
[   65.010271] ip (2658) used greatest stack depth: 12192 bytes left
[  669.641271] pm_nl_ctl (16881) used greatest stack depth: 11856 bytes left