[ 254.768097][ C0] TCP: AO hash mismatch for [2001:db8:254::1].7014->[2001:db8:1::1].34714 [P.]L3index: 0 [ 254.768847][ C0] TCP: AO hash mismatch for [2001:db8:254::1].7014->[2001:db8:1::1].34714 [.]L3index: 0 [ 257.629790][ C0] TCP: request_sock_TCP: Possible SYN flooding on port 10.0.254.1:7010. Sending cookies.