[  251.179646][    C2] TCP: AO hash mismatch for [2001:db8:1::1].58480->[2001:db8:254::1].7011 [P.]L3index: 0
[  251.180370][    C2] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].58480 [P.]L3index: 0
[  251.703836][    C0] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  252.203073][    C3] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].60930 [P.]L3index: 0
[  252.203168][    C1] TCP: AO hash mismatch for [2001:db8:1::1].60930->[2001:db8:254::1].7012 [P.]L3index: 0