[ 242.987255][ C1] TCP: AO hash mismatch for [2001:db8:1::1].47058->[2001:db8:254::1].7011 [FP.]L3index: 0 [ 243.498608][ C3] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].47058 [FP.]L3index: 0 [ 244.522204][ C3] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].38264 [FP.]L3index: 0 [ 244.522249][ C1] TCP: AO hash mismatch for [2001:db8:1::1].38264->[2001:db8:254::1].7012 [FP.]L3index: 0 [ 244.873988][ C3] TCP: request_sock_TCP: Possible SYN flooding on port 10.0.254.1:7010. Sending cookies.