[ 246.053633][ C1] TCP: AO hash mismatch for 10.0.1.1.55394->10.0.254.1.7013 [P.] L3index: 0 [ 246.054916][ C2] TCP: AO hash mismatch for 10.0.1.1.55394->10.0.254.1.7013 [.] L3index: 0 [ 247.078136][ C2] TCP: AO hash mismatch for 10.0.254.1.7014->10.0.1.1.33928 [P.] L3index: 0 [ 247.079097][ C2] TCP: AO hash mismatch for 10.0.254.1.7014->10.0.1.1.33928 [.] L3index: 0 [ 249.176946][ C3] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.