[  677.273469] mptcp_connect (22638) used greatest stack depth: 11720 bytes left
[  686.000815] mptcp_connect (23239) used greatest stack depth: 11688 bytes left
[  693.272239] mptcp_connect (23695) used greatest stack depth: 11592 bytes left
[  698.290979] mptcp_connect (23995) used greatest stack depth: 11560 bytes left