[ 237.906107][ C0] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].56846 [FP.]L3index: 0 [ 237.906716][ C0] TCP: AO hash mismatch for [2001:db8:1::1].56846->[2001:db8:254::1].7011 [FP.]L3index: 0 [ 238.929701][ C2] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].60668 [FP.]L3index: 0 [ 238.929781][ C1] TCP: AO hash mismatch for [2001:db8:1::1].60668->[2001:db8:254::1].7012 [FP.]L3index: 0 [ 239.851799][ C2] TCP: request_sock_TCP: Possible SYN flooding on port 10.0.254.1:7010. Sending cookies.