[  250.833369][    C3] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  250.861161][    C0] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].35786 [P.]L3index: 0
[  250.861805][    C1] TCP: AO hash mismatch for [2001:db8:1::1].35786->[2001:db8:254::1].7011 [P.]L3index: 0
[  251.885669][    C1] TCP: AO hash mismatch for [2001:db8:1::1].58658->[2001:db8:254::1].7012 [P.]L3index: 0
[  251.886460][    C1] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].58658 [P.]L3index: 0