[    1.797327] ip (246) used greatest stack depth: 12392 bytes left
[    2.170216] ip (268) used greatest stack depth: 12360 bytes left
[    2.186329] ip (269) used greatest stack depth: 12344 bytes left
[    5.982452] netem: version 1.3
[   13.974669] mptcp_connect (1211) used greatest stack depth: 12312 bytes left