/** {@inheritDoc} */
 @Override
 public String toString() {
   return S.toString(
       GridDiscoveryEvent.class,
       this,
       "nodeId8",
       U.id8(nodeId()),
       "msg",
       message(),
       "type",
       name(),
       "tstamp",
       timestamp());
 }
 /** {@inheritDoc} */
 @Override
 public String shortDisplay() {
   return name() + ": id8=" + U.id8(evtNodeId) + ", ip=" + F.first(shadow().internalAddresses());
 }