[   36.216589][  T278] ip (278) used greatest stack depth: 23840 bytes left
[   40.338790][  T305] MPTCP: bogus mpc option on established client sk
[  347.102364][ T2129] netem: version 1.3
[  907.443037][ T4573] ip (4573) used greatest stack depth: 23552 bytes left