[ 255.289651][ C2] TCP: AO hash mismatch for [2001:db8:254::1].7014->[2001:db8:1::1].47736 [P.]L3index: 0 [ 255.291209][ C3] TCP: AO hash mismatch for [2001:db8:254::1].7014->[2001:db8:1::1].47736 [.]L3index: 0 [ 258.099008][ C2] TCP: request_sock_TCP: Possible SYN flooding on port 10.0.254.1:7010. Sending cookies.