[ 253.771894][ C1] net_ratelimit: 3 callbacks suppressed [ 253.771905][ C1] TCP: AO hash mismatch for 10.0.254.1.7011->10.0.1.1.49282 [P.] L3index: 0 [ 253.772151][ C2] TCP: AO hash mismatch for 10.0.1.1.49282->10.0.254.1.7011 [P.] L3index: 0 [ 254.449211][ C3] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies. [ 254.795827][ C1] TCP: AO hash mismatch for 10.0.254.1.7012->10.0.1.1.36562 [P.] L3index: 0 [ 254.796387][ C1] TCP: AO hash mismatch for 10.0.1.1.36562->10.0.254.1.7012 [P.] L3index: 0 [ 255.821189][ C1] TCP: AO hash mismatch for 10.0.1.1.56882->10.0.254.1.7013 [P.] L3index: 0 [ 255.821799][ C1] TCP: AO hash mismatch for 10.0.1.1.56882->10.0.254.1.7013 [.] L3index: 0