[    2.192542] ip (261) used greatest stack depth: 12320 bytes left
[    2.665266] ip (293) used greatest stack depth: 12288 bytes left
[    6.590195] ip (550) used greatest stack depth: 12264 bytes left
[   67.800161] netem: version 1.3
[  214.410975] ip (4690) used greatest stack depth: 11992 bytes left
[  624.557164] tc (15681) used greatest stack depth: 11896 bytes left
[  686.983133] pm_nl_ctl (18826) used greatest stack depth: 11880 bytes left