probe::sunrpc.svc.drop - Drop RPC request
rq_prot
the IP protocol of the reqeust
sv_name
the service name
rq_prog
the program number in the request
rq_xid
the transmission id in the request
peer_ip
the peer address where the request is from
rq_vers
the program version in the request
rq_proc
the procedure number in the request