[  253.336807][    C1] TCP: AO hash mismatch for [2001:db8:1::1].51410->[2001:db8:254::1].7011 [P.]L3index: 0
[  253.336813][    C2] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].51410 [P.]L3index: 0
[  254.066026][    C0] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  254.361501][    C2] TCP: AO hash mismatch for [2001:db8:1::1].51286->[2001:db8:254::1].7012 [P.]L3index: 0
[  254.873353][    C2] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].51286 [P.]L3index: 0
[  255.384775][    C2] TCP: AO hash mismatch for [2001:db8:1::1].36850->[2001:db8:254::1].7013 [P.]L3index: 0
[  255.897303][    C2] TCP: AO hash mismatch for [2001:db8:1::1].36850->[2001:db8:254::1].7013 [.]L3index: 0