[  252.724941][    C3] TCP: AO hash mismatch for [2001:db8:1::1].33608->[2001:db8:254::1].7013 [P.]L3index: 0
[  252.725455][    C2] TCP: AO hash mismatch for [2001:db8:1::1].33608->[2001:db8:254::1].7013 [.]L3index: 0
[  253.747998][    C2] TCP: AO hash mismatch for [2001:db8:254::1].7014->[2001:db8:1::1].57438 [P.]L3index: 0
[  253.749588][    C3] TCP: AO hash mismatch for [2001:db8:254::1].7014->[2001:db8:1::1].57438 [.]L3index: 0
[  255.815869][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 10.0.254.1:7010. Sending cookies.