[  245.585615][    C0] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].60848 [P.]L3index: 0
[  245.586282][    C0] TCP: AO hash mismatch for [2001:db8:1::1].60848->[2001:db8:254::1].7012 [P.]L3index: 0
[  246.609794][    C2] TCP: AO hash mismatch for [2001:db8:1::1].50252->[2001:db8:254::1].7013 [P.]L3index: 0
[  246.610644][    C2] TCP: AO hash mismatch for [2001:db8:1::1].50252->[2001:db8:254::1].7013 [.]L3index: 0
[  247.634238][    C2] TCP: AO hash mismatch for [2001:db8:254::1].7014->[2001:db8:1::1].51070 [.]L3index: 0
[  247.634377][    C0] TCP: AO hash mismatch for [2001:db8:254::1].7014->[2001:db8:1::1].51070 [P.]L3index: 0
[  248.310961][    C1] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.