Use rulestring as identifier, e.g
bytes-block-drop-in-on-lo0-proto-icmp-all.rrd
Currently for OpenBSD 4.5 only.
OpenBSD 4.9/Current follows.
-scrub_states_current value:GAUGE:U:U
-scrub_states_total value:GAUGE:U:U
-scrub_evaluations value:GAUGE:U:U
-scrub_bytes value:GAUGE:U:U
-rule_states_current value:GAUGE:U:U
-rule_states_total value:GAUGE:U:U
-rule_evaluations value:GAUGE:U:U
-rule_bytes value:GAUGE:U:U
+states_cur value:GAUGE:U:U
+states_tot value:GAUGE:U:U
+evaluations value:GAUGE:U:U
+bytes value:GAUGE:U:U