[  267.289598][    C1] net_ratelimit: 1 callbacks suppressed
[  267.289609][    C1] TCP: AO hash mismatch for [2001:db8:1::1].53756->[2001:db8:254::1].7011 [P.]L3index: 0
[  267.289627][    C2] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].53756 [P.]L3index: 0
[  267.648041][    C1] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  268.312998][    C3] TCP: AO hash mismatch for [2001:db8:1::1].41046->[2001:db8:254::1].7012 [P.]L3index: 0
[  268.313325][    C1] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].41046 [P.]L3index: 0