[  245.544942][    C2] net_ratelimit: 3 callbacks suppressed
[  245.544951][    C2] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].48520 [P.]L3index: 0
[  245.545499][    C1] TCP: AO hash mismatch for [2001:db8:1::1].48520->[2001:db8:254::1].7011 [P.]L3index: 0
[  245.566432][    C0] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  246.568574][    C1] TCP: AO hash mismatch for [2001:db8:1::1].58976->[2001:db8:254::1].7012 [P.]L3index: 0