[  230.915350][    C0] net_ratelimit: 3 callbacks suppressed
[  230.915359][    C0] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  231.735432][    C3] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].41784 [FP.]L3index: 0
[  231.735440][    C1] TCP: AO hash mismatch for [2001:db8:1::1].41784->[2001:db8:254::1].7011 [FP.]L3index: 0