[    1.953986] ip (259) used greatest stack depth: 12392 bytes left
[    2.258325] ip (278) used greatest stack depth: 12360 bytes left
[    2.476562] ip (296) used greatest stack depth: 12344 bytes left
[    3.703432] ip (392) used greatest stack depth: 12064 bytes left
[   59.471390] netem: version 1.3
[  598.636553] tc (13800) used greatest stack depth: 11936 bytes left
[  667.076908] pm_nl_ctl (16875) used greatest stack depth: 11848 bytes left