[  262.481760][    C3] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].60940 [P.]L3index: 0
[  262.482634][    C3] TCP: AO hash mismatch for [2001:db8:1::1].60940->[2001:db8:254::1].7011 [P.]L3index: 0
[  263.125263][    C2] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  263.505293][    C2] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].33200 [P.]L3index: 0
[  263.505574][    C1] TCP: AO hash mismatch for [2001:db8:1::1].33200->[2001:db8:254::1].7012 [P.]L3index: 0