[  252.217683][    C2] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].38496 [P.]L3index: 0
[  253.241957][    C3] TCP: AO hash mismatch for [2001:db8:1::1].37920->[2001:db8:254::1].7012 [P.]L3index: 0
[  253.242220][    C1] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].37920 [P.]L3index: 0
[  253.276360][    C2] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  254.266803][    C1] TCP: AO hash mismatch for [2001:db8:1::1].46314->[2001:db8:254::1].7013 [P.]L3index: 0
[  254.267439][    C1] TCP: AO hash mismatch for [2001:db8:1::1].46314->[2001:db8:254::1].7013 [.]L3index: 0