[ 224.322420][ C1] net_ratelimit: 3 callbacks suppressed [ 224.322430][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies. [ 224.578431][ C0] TCP: AO hash mismatch for 10.0.1.1.51044->10.0.254.1.7011 [FP.] L3index: 0 [ 225.090489][ C3] TCP: AO hash mismatch for 10.0.254.1.7011->10.0.1.1.51044 [FP.] L3index: 0