[    1.951528] ip (256) used greatest stack depth: 12392 bytes left
[    2.416796] ip (288) used greatest stack depth: 12344 bytes left
[   10.792144] ip (1037) used greatest stack depth: 12288 bytes left
[   55.774595] netem: version 1.3
[  156.959395] ip (4072) used greatest stack depth: 12160 bytes left
[  394.398986] ip (8021) used greatest stack depth: 12064 bytes left
[  611.368155] tc (15593) used greatest stack depth: 11936 bytes left
[  677.192520] pm_nl_ctl (18730) used greatest stack depth: 11832 bytes left