[ 85.888922] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies. [ 86.134677] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].46010 [P.]L3index: 0 [ 86.134840] TCP: AO hash mismatch for [2001:db8:1::1].46010->[2001:db8:254::1].7012 [P.]L3index: 0