[    2.222724] ip (263) used greatest stack depth: 12304 bytes left
[    2.713051] ip (292) used greatest stack depth: 12272 bytes left
[   61.196584] netem: version 1.3
[   72.338188] ip (3019) used greatest stack depth: 12112 bytes left
[  640.655947] tc (15595) used greatest stack depth: 11936 bytes left
[  705.691337] pm_nl_ctl (18735) used greatest stack depth: 11880 bytes left