[    2.036554] ip (258) used greatest stack depth: 12392 bytes left
[    2.449333] ip (287) used greatest stack depth: 12344 bytes left
[   61.226092] netem: version 1.3
[  150.454478] ip (3902) used greatest stack depth: 12064 bytes left
[  702.773766] pm_nl_ctl (18728) used greatest stack depth: 11568 bytes left