[    1.503859] ip (253) used greatest stack depth: 12304 bytes left
[    1.826959] ip (294) used greatest stack depth: 12272 bytes left
[   49.112891] netem: version 1.3
[  567.420949] tc (15680) used greatest stack depth: 11936 bytes left
[  624.548844] pm_nl_ctl (18824) used greatest stack depth: 11624 bytes left