[  248.180680][    C0] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].45300 [P.]L3index: 0
[  248.181372][    C0] TCP: AO hash mismatch for [2001:db8:1::1].45300->[2001:db8:254::1].7011 [P.]L3index: 0
[  249.204480][    C0] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].56666 [P.]L3index: 0
[  249.205290][    C3] TCP: AO hash mismatch for [2001:db8:1::1].56666->[2001:db8:254::1].7012 [P.]L3index: 0
[  250.229085][    C2] TCP: AO hash mismatch for [2001:db8:1::1].52920->[2001:db8:254::1].7013 [P.]L3index: 0
[  250.229699][    C2] TCP: AO hash mismatch for [2001:db8:1::1].52920->[2001:db8:254::1].7013 [.]L3index: 0
[  251.252650][    C3] TCP: AO hash mismatch for [2001:db8:254::1].7014->[2001:db8:1::1].47272 [.]L3index: 0
[  251.253530][    C0] TCP: AO hash mismatch for [2001:db8:254::1].7014->[2001:db8:1::1].47272 [P.]L3index: 0
[  252.059452][    C0] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.