[  264.018900][    C3] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].52120 [P.]L3index: 0
[  264.019909][    C3] TCP: AO hash mismatch for [2001:db8:1::1].52120->[2001:db8:254::1].7011 [P.]L3index: 0
[  265.042021][    C2] TCP: AO hash mismatch for [2001:db8:1::1].47650->[2001:db8:254::1].7012 [P.]L3index: 0
[  265.042922][    C1] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].47650 [P.]L3index: 0
[  265.327626][    C2] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  266.066080][    C3] TCP: AO hash mismatch for [2001:db8:1::1].60000->[2001:db8:254::1].7013 [P.]L3index: 0
[  266.066460][    C1] TCP: AO hash mismatch for [2001:db8:1::1].60000->[2001:db8:254::1].7013 [.]L3index: 0