[    2.442202] ip (293) used greatest stack depth: 12272 bytes left
[   56.295571] netem: version 1.3
[  305.050216] ip (5749) used greatest stack depth: 12192 bytes left
[  622.764572] tc (15598) used greatest stack depth: 11936 bytes left
[  688.791952] pm_nl_ctl (18736) used greatest stack depth: 11880 bytes left