[ 86.685554] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies. [ 87.161549] TCP: AO hash mismatch for 10.0.1.1.55910->10.0.254.1.7012 [FP.] L3index: 0 [ 87.161549] TCP: AO hash mismatch for 10.0.254.1.7012->10.0.1.1.55910 [FP.] L3index: 0