[  255.332655][    C2] net_ratelimit: 3 callbacks suppressed
[  255.332664][    C2] TCP: AO hash mismatch for [2001:db8:1::1].60728->[2001:db8:254::1].7011 [P.]L3index: 0
[  255.333971][    C1] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].60728 [P.]L3index: 0
[  255.591517][    C2] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  256.356955][    C3] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].41776 [P.]L3index: 0
[  256.357524][    C3] TCP: AO hash mismatch for [2001:db8:1::1].41776->[2001:db8:254::1].7012 [P.]L3index: 0