[    2.095550] ip (189) used greatest stack depth: 12352 bytes left
[    3.316370] ip (544) used greatest stack depth: 12120 bytes left
[   50.698727] netem: version 1.3
[   58.764957] ip (4450) used greatest stack depth: 12088 bytes left
[  541.671271] pm_nl_ctl (24832) used greatest stack depth: 11936 bytes left