[  231.209417][    C1] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].59084 [FP.]L3index: 0
[  231.210397][    C0] TCP: AO hash mismatch for [2001:db8:1::1].59084->[2001:db8:254::1].7011 [FP.]L3index: 0
[  231.549502][    C2] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  232.233515][    C1] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].56182 [FP.]L3index: 0
[  232.233528][    C3] TCP: AO hash mismatch for [2001:db8:1::1].56182->[2001:db8:254::1].7012 [FP.]L3index: 0