[    2.004365] ip (254) used greatest stack depth: 12392 bytes left
[    2.382538] ip (276) used greatest stack depth: 12360 bytes left
[    2.502029] ip (285) used greatest stack depth: 12344 bytes left
[   41.848893] ip (1779) used greatest stack depth: 12064 bytes left
[   56.848617] netem: version 1.3
[  613.923457] tc (13803) used greatest stack depth: 11936 bytes left
[  682.127136] pm_nl_ctl (16879) used greatest stack depth: 11768 bytes left