Error adding sources to multicast group Error allocating address Error allocating address cache-aware reference Error allocating address identifier Error allocating workitem for address Error creating address: Protocol helper failed Error creating multicast session state Error processing add source request : Group is in exclude mode Error processing block request: No state for group or group is in include mode Error processing drop request : No state for group or group is in exclude mode Error processing join request : Group already exists Error processing leave request: No state for group Error processing unblock request: No state for group or group is in include mode Error validating multicast request: Not a multicast address Error validating multicast request: Not a valid source address