[    2.119642] ip (279) used greatest stack depth: 12272 bytes left
[   44.755532] ip (2298) used greatest stack depth: 12168 bytes left
[   56.848900] netem: version 1.3
[  405.299174] ip (8542) used greatest stack depth: 12144 bytes left
[  615.078943] tc (15681) used greatest stack depth: 11896 bytes left
[  681.459574] pm_nl_ctl (18826) used greatest stack depth: 11880 bytes left