fix(reflectors): account for partial peer sets when requesting reselection

src/ratecontroller.rs

@@ -491,7 +491,7 @@ impl<S: InterfaceStatsProvider, T: TrafficControlBackend> Ratecontroller<S, T> {
         self.state_dl.deltas = down_deltas;
         self.state_ul.deltas = up_deltas;
 
-        let minimum = usize::from(self.settings.reflectors.num_reflectors);
+        let minimum = usize::from(self.settings.reflectors.num_reflectors).min(reflectors.len());
         if self.state_dl.deltas.len() < minimum || self.state_ul.deltas.len() < minimum {
             // trigger reselection
             warn!(