[  251.698198][    C1] net_ratelimit: 3 callbacks suppressed
[  251.698212][    C1] TCP: AO hash mismatch for [2001:db8:1::1].42818->[2001:db8:254::1].7011 [P.]L3index: 0
[  251.698340][    C2] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].42818 [P.]L3index: 0
[  252.265889][    C2] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  252.722077][    C1] TCP: AO hash mismatch for [2001:db8:1::1].59866->[2001:db8:254::1].7012 [P.]L3index: 0
[  252.722102][    C3] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].59866 [P.]L3index: 0