An IPv6 datagram could not be delivered to its destination. A code value specifies the reason: no route (0), administratively prohibited (1), beyond scope of source address (2), address unreachable (3), or port unreachable (4).
icmpv6-1
icmp An IPv6 datagram could not be delivered to its destination. A code value specifies the reason: no route (0), administratively prohibited (1), beyond scope of source address (2), address unreachable (3), or port unreachable (4).