[    1.779267] ip (243) used greatest stack depth: 12392 bytes left
[    1.954756] ip (255) used greatest stack depth: 12344 bytes left
[    2.435413] MPTCP: bogus mpc option on established client sk
[    6.487979] ip (629) used greatest stack depth: 12184 bytes left
[   49.434552] netem: version 1.3
[  576.151765] tc (11895) used greatest stack depth: 11824 bytes left