[ 244.237332][ C3] TCP: AO hash mismatch for 10.0.254.1.7011->10.0.1.1.36312 [P.] L3index: 0 [ 244.238096][ C2] TCP: AO hash mismatch for 10.0.1.1.36312->10.0.254.1.7011 [P.] L3index: 0 [ 245.261255][ C2] TCP: AO hash mismatch for 10.0.1.1.40080->10.0.254.1.7012 [P.] L3index: 0 [ 245.261257][ C3] TCP: AO hash mismatch for 10.0.254.1.7012->10.0.1.1.40080 [P.] L3index: 0 [ 245.806452][ C3] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.