[    1.894172] ip (257) used greatest stack depth: 12344 bytes left
[    2.286669] MPTCP: bogus mpc option on established client sk
[    4.161537] ip (469) used greatest stack depth: 12296 bytes left
[    6.164277] ip (647) used greatest stack depth: 12040 bytes left
[   50.040650] netem: version 1.3
[  555.876144] tc (11920) used greatest stack depth: 11784 bytes left