[    2.577607] ip (273) used greatest stack depth: 12608 bytes left
[    2.705375] ip (282) used greatest stack depth: 12272 bytes left
[   60.448038] netem: version 1.3
[  509.596711] ip (10633) used greatest stack depth: 12128 bytes left
[  632.514939] tc (15598) used greatest stack depth: 11936 bytes left
[  699.803132] pm_nl_ctl (18737) used greatest stack depth: 11880 bytes left