[  254.250899][    C1] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].55516 [P.]L3index: 0
[  254.251607][    C1] TCP: AO hash mismatch for [2001:db8:1::1].55516->[2001:db8:254::1].7011 [P.]L3index: 0
[  254.300833][    C0] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  255.274937][    C2] TCP: AO hash mismatch for [2001:db8:1::1].44662->[2001:db8:254::1].7012 [P.]L3index: 0
[  255.275506][    C2] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].44662 [P.]L3index: 0