[    2.280466] ip (254) used greatest stack depth: 12392 bytes left
[    2.823443] ip (285) used greatest stack depth: 12344 bytes left
[   64.801691] netem: version 1.3
[  536.168000] ip (12385) used greatest stack depth: 12064 bytes left
[  614.694631] tc (15588) used greatest stack depth: 11936 bytes left
[  677.503362] pm_nl_ctl (18727) used greatest stack depth: 11592 bytes left