[    2.022484] ip (256) used greatest stack depth: 12392 bytes left
[    2.479231] ip (287) used greatest stack depth: 12344 bytes left
[   19.283273] ip (1141) used greatest stack depth: 12192 bytes left
[   32.804674] ip (1386) used greatest stack depth: 12064 bytes left
[   58.223885] netem: version 1.3
[  614.609940] tc (13809) used greatest stack depth: 11896 bytes left
[  681.523640] pm_nl_ctl (16883) used greatest stack depth: 11848 bytes left