[    2.236127] ip (278) used greatest stack depth: 12360 bytes left
[    2.346402] ip (287) used greatest stack depth: 12344 bytes left
[   56.758018] netem: version 1.3
[  143.072439] ip (3232) used greatest stack depth: 12304 bytes left
[  557.226559] ip (11651) used greatest stack depth: 12120 bytes left
[  627.841883] tc (13805) used greatest stack depth: 11936 bytes left
[  693.615520] pm_nl_ctl (16880) used greatest stack depth: 11848 bytes left