[    2.138966] ip (254) used greatest stack depth: 12392 bytes left
[    2.580600] ip (285) used greatest stack depth: 12360 bytes left
[    2.691630] ip (294) used greatest stack depth: 12344 bytes left
[   11.673384] ip (1031) used greatest stack depth: 12304 bytes left
[   52.811016] netem: version 1.3
[  399.161132] ip (7783) used greatest stack depth: 12192 bytes left
[  669.789959] pm_nl_ctl (16878) used greatest stack depth: 11848 bytes left