[ 253.801656][ C2] net_ratelimit: 2 callbacks suppressed [ 253.801664][ C2] TCP: AO hash mismatch for 10.0.1.1.49932->10.0.254.1.7011 [P.] L3index: 0 [ 253.802300][ C2] TCP: AO hash mismatch for 10.0.254.1.7011->10.0.1.1.49932 [P.] L3index: 0 [ 254.513151][ C2] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies. [ 254.827070][ C2] TCP: AO hash mismatch for 10.0.1.1.54860->10.0.254.1.7012 [P.] L3index: 0 [ 254.828249][ C2] TCP: AO hash mismatch for 10.0.254.1.7012->10.0.1.1.54860 [P.] L3index: 0