[ 230.777561][ C0] net_ratelimit: 3 callbacks suppressed [ 230.777568][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies. [ 231.215062][ C3] TCP: AO hash mismatch for 10.0.254.1.7011->10.0.1.1.37062 [FP.] L3index: 0 [ 231.215872][ C3] TCP: AO hash mismatch for 10.0.1.1.37062->10.0.254.1.7011 [FP.] L3index: 0