[  252.736904][    C2] net_ratelimit: 3 callbacks suppressed
[  252.736917][    C2] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].52090 [P.]L3index: 0
[  252.738013][    C2] TCP: AO hash mismatch for [2001:db8:1::1].52090->[2001:db8:254::1].7011 [P.]L3index: 0
[  253.368376][    C3] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  253.761157][    C0] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].51172 [P.]L3index: 0
[  253.762166][    C0] TCP: AO hash mismatch for [2001:db8:1::1].51172->[2001:db8:254::1].7012 [P.]L3index: 0