[ 255.790395][ C1] TCP: AO hash mismatch for 10.0.254.1.7014->10.0.1.1.41232 [P.] L3index: 0 [ 255.791429][ C1] TCP: AO hash mismatch for 10.0.254.1.7014->10.0.1.1.41232 [.] L3index: 0 [ 258.836729][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.