[  214.307716][    C0] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].57562 [FP.]L3index: 0
[  214.308732][    C1] TCP: AO hash mismatch for [2001:db8:1::1].57562->[2001:db8:254::1].7011 [FP.]L3index: 0
[  215.331209][    C1] TCP: AO hash mismatch for [2001:db8:1::1].38958->[2001:db8:254::1].7012 [FP.]L3index: 0
[  215.331277][    C0] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].38958 [FP.]L3index: 0
[  215.987133][    C0] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  217.379362][    C0] net_ratelimit: 2 callbacks suppressed
[  217.379640][    C1] TCP: AO hash mismatch for [2001:db8:254::1].7014->[2001:db8:1::1].52262 [.]L3index: 0
[  217.379671][    C0] TCP: AO hash mismatch for [2001:db8:254::1].7014->[2001:db8:1::1].52262 [FP.]L3index: 0