[ 244.781710][ C2] net_ratelimit: 3 callbacks suppressed [ 244.781716][ C2] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies. [ 245.034456][ C1] TCP: AO hash mismatch for 10.0.1.1.56494->10.0.254.1.7011 [P.] L3index: 0 [ 245.034972][ C1] TCP: AO hash mismatch for 10.0.254.1.7011->10.0.1.1.56494 [P.] L3index: 0