[ 255.789857][ C2] TCP: AO hash mismatch for [2001:db8:254::1].7014->[2001:db8:1::1].49916 [P.]L3index: 0 [ 255.791212][ C3] TCP: AO hash mismatch for [2001:db8:254::1].7014->[2001:db8:1::1].49916 [.]L3index: 0 [ 258.616812][ C2] TCP: request_sock_TCP: Possible SYN flooding on port 10.0.254.1:7010. Sending cookies.