[    2.395403] ip (287) used greatest stack depth: 12272 bytes left
[   47.240896] ip (2442) used greatest stack depth: 12248 bytes left
[   57.059509] netem: version 1.3
[  158.778444] ip (4061) used greatest stack depth: 12128 bytes left
[  613.519537] tc (15594) used greatest stack depth: 11936 bytes left
[  681.303433] pm_nl_ctl (18730) used greatest stack depth: 11912 bytes left