[ 237.974550][ C3] TCP: AO hash mismatch for 10.0.254.1.7014->10.0.1.1.38040 [FP.] L3index: 0 [ 237.975568][ C3] TCP: AO hash mismatch for 10.0.254.1.7014->10.0.1.1.38040 [.] L3index: 0 [ 241.159239][ C2] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.