[ 257.203229][ C3] TCP: request_sock_TCP: Possible SYN flooding on port 10.0.254.1:7010. Sending cookies. [ 258.352333][ C2] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].47072 [P.]L3index: 0 [ 258.353043][ C0] TCP: AO hash mismatch for [2001:db8:1::1].47072->[2001:db8:254::1].7011 [P.]L3index: 0