[  249.641342][    C2] TCP: AO hash mismatch for [2001:db8:1::1].53482->[2001:db8:254::1].7011 [P.]L3index: 0
[  249.641995][    C0] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].53482 [P.]L3index: 0
[  249.885015][    C0] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  250.665435][    C2] TCP: AO hash mismatch for [2001:db8:1::1].58906->[2001:db8:254::1].7012 [P.]L3index: 0
[  250.665604][    C0] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].58906 [P.]L3index: 0