[    2.079767] ip (179) used greatest stack depth: 12352 bytes left
[   22.444405] ip (1843) used greatest stack depth: 12344 bytes left
[   41.686269] ip (3239) used greatest stack depth: 12208 bytes left
[   49.935558] netem: version 1.3
[   55.890250] ip (4446) used greatest stack depth: 12112 bytes left
[   61.749414] ip (4615) used greatest stack depth: 12064 bytes left
[  517.856012] pm_nl_ctl (24820) used greatest stack depth: 11944 bytes left