Change failover log level from debug to info (#480)

See issue #478

Co-authored-by: xnor <xnor@arch-router>

Author: xnoreq

failback.go

@@ -133,7 +133,7 @@ func (r *FailBack) errorFrom(i int) {
 		r.failCh = r.startResetTimer()
 	}
 	r.active = (r.active + 1) % len(r.resolvers)
-	Log.Debug("failing over to resolver", slog.Group("details", slog.String("id", r.id), slog.String("resolver", r.resolvers[r.active].String())))
+	Log.Info("failing over to resolver", slog.Group("details", slog.String("id", r.id), slog.String("resolver", r.resolvers[r.active].String())))
 	r.mu.Unlock()
 	r.metrics.failover.Add(1)
 	r.metrics.available.Add(-1)

failrotate.go

@@ -93,7 +93,7 @@ func (r *FailRotate) errorFrom(i int) {
 	}
 	r.metrics.failover.Add(1)
 	r.active = (r.active + 1) % len(r.resolvers)
-	Log.Debug("failing over to resolver", slog.Group("details", slog.String("id", r.id), slog.String("resolver", r.resolvers[r.active].String())))
+	Log.Info("failing over to resolver", slog.Group("details", slog.String("id", r.id), slog.String("resolver", r.resolvers[r.active].String())))
 }
 
 // Returns true is the response is considered successful given the options.