changed to trace level logging (besu-eth#2858)

Signed-off-by: Sally MacFarlane <sally.macfarlane@consensys.net>

Author: macfarla

ethereum/permissioning/src/main/java/org/hyperledger/besu/ethereum/permissioning/NodeSmartContractV2PermissioningController.java

@@ -61,11 +61,11 @@ boolean checkSmartContractRules(final EnodeURL sourceEnode, final EnodeURL desti
 
   private boolean isPermitted(final EnodeURL enode) {
     final boolean isIpEnodePermitted = getCallResult(enode);
-    LOG.info(String.format("Permitted? %s for IP %s", isIpEnodePermitted, enode));
+    LOG.trace("Permitted? {} for IP {}", isIpEnodePermitted, enode);
     if (isIpEnodePermitted) return true;
     final EnodeURL ipToDNSEnode = ipToDNS(enode);
     final boolean isIpToDNSEnodePermitted = getCallResult(ipToDNSEnode);
-    LOG.info(String.format("Permitted? %s for DNS %s", isIpToDNSEnodePermitted, ipToDNSEnode));
+    LOG.trace("Permitted? {} for DNS {}", isIpToDNSEnodePermitted, ipToDNSEnode);
     return isIpToDNSEnodePermitted;
   }