[  232.902490][    C1] net_ratelimit: 3 callbacks suppressed
[  232.902499][    C1] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  233.266952][    C3] TCP: AO hash mismatch for [2001:db8:1::1].45290->[2001:db8:254::1].7011 [FP.]L3index: 0
[  233.266991][    C1] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].45290 [FP.]L3index: 0