Value,Name,Description,Reference
0x00,NO_ERROR,No error,[RFC8487]
0x01,WRONG_IF,"Mtrace2 Request arrived on an interface
        to which this router would not forward for
        the specified group towards the source or RP.",[RFC8487]
0x02,PRUNE_SENT,"This router has sent a prune upstream which
        applies to the source and group in the
        Mtrace2 Request.",[RFC8487]
0x03,PRUNE_RCVD,"This router has stopped forwarding for this
        source and group in response to a request
        from the downstream router.",[RFC8487]
0x04,SCOPED,"The group is subject to administrative
        scoping at this router.",[RFC8487]
0x05,NO_ROUTE,"This router has no route for the source or
        group and no way to determine a potential
        route.",[RFC8487]
0x06,WRONG_LAST_HOP,This router is not the proper LHR.,[RFC8487]
0x07,NOT_FORWARDING,"This router is not forwarding this source and
        group out the outgoing interface for an
        unspecified reason.",[RFC8487]
0x08,REACHED_RP,Reached the Rendezvous Point.,[RFC8487]
0x09,RPF_IF,"Mtrace2 Request arrived on the expected
        RPF interface for this source and group.",[RFC8487]
0x0A,NO_MULTICAST,"Mtrace2 Request arrived on an interface
        which is not enabled for multicast.",[RFC8487]
0x0B,INFO_HIDDEN,"One or more hops have been hidden from this
        trace.",[RFC8487]
0x0C,REACHED_GW,"Mtrace2 Request arrived on a gateway (e.g.,
        a NAT or firewall) that hides the
        information between this router and the
        Mtrace2 client.",[RFC8487]
0x0D,UNKNOWN_QUERY,"A non-transitive Extended Query Type was
        received by a router which does not support
        the type.",[RFC8487]
0x0E-0x7F,Unassigned,,
0x80,FATAL_ERROR,"A fatal error is one where the router may
        know the upstream router but cannot forward
        the message to it.",[RFC8487]
0x81,NO_SPACE,"There was not enough room to insert another
        Standard Response Block in the packet.",[RFC8487]
0x82,ADMIN_PROHIB,Mtrace2 is administratively prohibited.,[RFC8487]
0x83-0xFF,Unassigned,,