docs: public void processAnyCallbacksFromFailedHosts(Set<Integer> failedHosts) {
          synchronized(m_allHostCallbackLock) {
              failedHosts.stream()
                  .forEach(i -> {
                      if (m_outstandingAllHostProcedureHostIds.contains(i)) {
                          ClientResponseImpl cri = new ClientResponseImpl(
                                  ClientResponse.CONNECTION_LOST,
                                  new VoltTable[0],
                                  "Host " + i + " failed, connection lost");
                          // embed the hostid as a string in app status string
                          // because the recipient expects this hack
                          cri.setAppStatusString(String.valueOf(i));
  
                          allHostNTProcedureCallback(cri);
                      }
                  });
          }
      }