[  239.406199][    C0] TCP: AO hash mismatch for 10.0.1.1.34896->10.0.254.1.7013 [P.] L3index: 0
[  244.263146][    C0] net_ratelimit: 3 callbacks suppressed
[  244.263157][    C0] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  244.526381][    C0] TCP: AO hash mismatch for [2001:db8:1::1].58404->[2001:db8:254::1].7011 [P.]L3index: 0
[  245.038276][    C1] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].58404 [P.]L3index: 0