[  247.531698][    C2] net_ratelimit: 28 callbacks suppressed
[  247.531712][    C2] TCP: AO hash mismatch for [2001:db8:254::1].7014->[2001:db8:1::1].32982 [.]L3index: 0
[  247.594892][    C3] TCP: AO hash mismatch for [2001:db8:254::1].7014->[2001:db8:1::1].32982 [FP.]L3index: 0
[  247.659035][    C2] TCP: AO hash mismatch for [2001:db8:1::1].41504->[2001:db8:254::1].7011 [FP.]L3index: 0
[  247.660029][    C3] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].41504 [FP.]L3index: 0
[  248.610687][    C1] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  248.684046][    C2] TCP: AO hash mismatch for [2001:db8:1::1].43376->[2001:db8:254::1].7012 [FP.]L3index: 0
[  248.684823][    C2] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].43376 [FP.]L3index: 0
[  249.771819][    C2] TCP: AO hash mismatch for [2001:db8:1::1].52580->[2001:db8:254::1].7013 [FP.]L3index: 0
[  249.772203][    C3] TCP: AO hash mismatch for [2001:db8:1::1].52580->[2001:db8:254::1].7013 [.]L3index: 0