[  246.574960][    C3] net_ratelimit: 3 callbacks suppressed
[  246.574969][    C3] TCP: AO hash mismatch for [2001:db8:1::1].51806->[2001:db8:254::1].7011 [P.]L3index: 0
[  246.575784][    C1] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].51806 [P.]L3index: 0
[  246.635397][    C0] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  247.598816][    C1] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].44508 [P.]L3index: 0
[  247.598856][    C3] TCP: AO hash mismatch for [2001:db8:1::1].44508->[2001:db8:254::1].7012 [P.]L3index: 0