[  217.878817][    C1] net_ratelimit: 3 callbacks suppressed
[  217.878828][    C1] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].41098 [FP.]L3index: 0
[  217.878866][    C2] TCP: AO hash mismatch for [2001:db8:1::1].41098->[2001:db8:254::1].7011 [FP.]L3index: 0
[  218.392168][    C2] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  218.903213][    C1] TCP: AO hash mismatch for [2001:db8:1::1].38922->[2001:db8:254::1].7012 [FP.]L3index: 0
[  218.903791][    C1] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].38922 [FP.]L3index: 0