[    2.334789] ip (274) used greatest stack depth: 12504 bytes left
[    2.447185] ip (284) used greatest stack depth: 12288 bytes left
[   59.149012] netem: version 1.3
[   68.021401] ip (3007) used greatest stack depth: 12088 bytes left
[  289.537191] ip (5593) used greatest stack depth: 12016 bytes left
[  584.133886] tc (15686) used greatest stack depth: 11936 bytes left
[  703.782260] pm_nl_ctl (18837) used greatest stack depth: 11880 bytes left