[  250.221489][    C2] TCP: AO hash mismatch for [2001:db8:1::1].46352->[2001:db8:254::1].7011 [P.]L3index: 0
[  250.222247][    C2] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].46352 [P.]L3index: 0
[  251.244999][    C3] TCP: AO hash mismatch for [2001:db8:1::1].43248->[2001:db8:254::1].7012 [P.]L3index: 0
[  251.309269][    C1] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  251.756650][    C1] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].43248 [P.]L3index: 0
[  252.781367][    C1] TCP: AO hash mismatch for [2001:db8:1::1].35196->[2001:db8:254::1].7013 [P.]L3index: 0
[  252.782134][    C3] TCP: AO hash mismatch for [2001:db8:1::1].35196->[2001:db8:254::1].7013 [.]L3index: 0