[    2.154988] ip (206) used greatest stack depth: 12064 bytes left
[   50.130078] netem: version 1.3
[   58.235192] ip (4425) used greatest stack depth: 12056 bytes left
[  113.816792] ip (5177) used greatest stack depth: 12024 bytes left
[  540.939067] pm_nl_ctl (24837) used greatest stack depth: 11864 bytes left