[  232.277992][    C1] net_ratelimit: 3 callbacks suppressed
[  232.278000][    C1] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  232.748367][    C0] TCP: AO hash mismatch for [2001:db8:1::1].39818->[2001:db8:254::1].7011 [FP.]L3index: 0
[  232.749137][    C0] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].39818 [FP.]L3index: 0