[  240.499690][    C2] TCP: AO hash mismatch for [2001:db8:1::1].58552->[2001:db8:254::1].7011 [P.]L3index: 0
[  240.500724][    C2] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].58552 [P.]L3index: 0
[  240.613681][    C0] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  241.523106][    C3] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].36106 [P.]L3index: 0
[  241.523209][    C1] TCP: AO hash mismatch for [2001:db8:1::1].36106->[2001:db8:254::1].7012 [P.]L3index: 0