[  252.765388][    C3] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].58502 [P.]L3index: 0
[  252.766429][    C2] TCP: AO hash mismatch for [2001:db8:1::1].58502->[2001:db8:254::1].7011 [P.]L3index: 0
[  253.425410][    C0] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  253.789942][    C1] TCP: AO hash mismatch for [2001:db8:1::1].35014->[2001:db8:254::1].7012 [P.]L3index: 0
[  253.790621][    C1] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].35014 [P.]L3index: 0