[  252.717798][    C1] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].57528 [P.]L3index: 0
[  252.718369][    C0] TCP: AO hash mismatch for [2001:db8:1::1].57528->[2001:db8:254::1].7011 [P.]L3index: 0
[  253.734912][    C3] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  253.741815][    C1] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].48024 [P.]L3index: 0
[  253.743410][    C3] TCP: AO hash mismatch for [2001:db8:1::1].48024->[2001:db8:254::1].7012 [P.]L3index: 0
[  254.767196][    C2] TCP: AO hash mismatch for [2001:db8:1::1].41362->[2001:db8:254::1].7013 [P.]L3index: 0
[  254.767769][    C2] TCP: AO hash mismatch for [2001:db8:1::1].41362->[2001:db8:254::1].7013 [.]L3index: 0