[    2.210967] ip (192) used greatest stack depth: 12312 bytes left
[    2.859355] ip (385) used greatest stack depth: 12104 bytes left
[   31.000553] ip (2892) used greatest stack depth: 12088 bytes left
[   50.614674] netem: version 1.3
[  115.156152] ip (5185) used greatest stack depth: 12072 bytes left
[  541.119686] pm_nl_ctl (24836) used greatest stack depth: 11944 bytes left