[  247.626653][    C2] net_ratelimit: 3 callbacks suppressed
[  247.626661][    C2] TCP: AO hash mismatch for [2001:db8:1::1].41158->[2001:db8:254::1].7011 [P.]L3index: 0
[  247.628001][    C3] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].41158 [P.]L3index: 0
[  248.650983][    C2] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].52240 [P.]L3index: 0
[  248.651039][    C3] TCP: AO hash mismatch for [2001:db8:1::1].52240->[2001:db8:254::1].7012 [P.]L3index: 0
[  249.674794][    C3] TCP: AO hash mismatch for [2001:db8:1::1].36046->[2001:db8:254::1].7013 [P.]L3index: 0
[  249.675891][    C0] TCP: AO hash mismatch for [2001:db8:1::1].36046->[2001:db8:254::1].7013 [.]L3index: 0
[  250.699999][    C2] TCP: AO hash mismatch for [2001:db8:254::1].7014->[2001:db8:1::1].59326 [P.]L3index: 0
[  250.700746][    C2] TCP: AO hash mismatch for [2001:db8:254::1].7014->[2001:db8:1::1].59326 [.]L3index: 0
[  250.918184][    C0] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.