[    1.944655] ip (254) used greatest stack depth: 12896 bytes left
[    2.188553] ip (267) used greatest stack depth: 12528 bytes left
[    2.311514] ip (276) used greatest stack depth: 12272 bytes left
[   62.004767] netem: version 1.3
[  120.288652] ip (3641) used greatest stack depth: 12128 bytes left
[  619.143337] tc (15595) used greatest stack depth: 11936 bytes left
[  687.116321] pm_nl_ctl (18730) used greatest stack depth: 11912 bytes left