[ 257.850742][ C0] TCP: AO hash mismatch for 10.0.254.1.7014->10.0.1.1.37722 [.] L3index: 0 [ 258.362042][ C0] TCP: AO hash mismatch for 10.0.254.1.7014->10.0.1.1.37722 [P.] L3index: 0 [ 260.767692][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.