[  234.282298][    C3] TCP: AO hash mismatch for [2001:db8:1::1].42260->[2001:db8:254::1].7012 [FP.]L3index: 0
[  234.282548][    C0] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].42260 [FP.]L3index: 0
[  235.305533][    C2] TCP: AO hash mismatch for [2001:db8:1::1].43974->[2001:db8:254::1].7013 [FP.]L3index: 0
[  235.306447][    C2] TCP: AO hash mismatch for [2001:db8:1::1].43974->[2001:db8:254::1].7013 [.]L3index: 0
[  236.221686][    C3] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  236.330556][    C2] TCP: AO hash mismatch for [2001:db8:254::1].7014->[2001:db8:1::1].39346 [FP.]L3index: 0
[  236.331315][    C2] TCP: AO hash mismatch for [2001:db8:254::1].7014->[2001:db8:1::1].39346 [.]L3index: 0