Github user phrocker commented on a diff in the pull request:

    https://github.com/apache/nifi/pull/1550#discussion_r103794598
  
    --- Diff: 
nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/remote/StandardRemoteProcessGroup.java
 ---
    @@ -856,10 +864,75 @@ public void refreshFlowContents() throws 
CommunicationsException {
             }
         }
     
    +    @Override
    +    public String getNetworkInterface() {
    +        readLock.lock();
    +        try {
    +            return networkInterfaceName;
    +        } finally {
    +            readLock.unlock();
    +        }
    +    }
    +
    +    @Override
    +    public void setNetworkInterface(final String interfaceName) {
    +        writeLock.lock();
    +        try {
    +            this.networkInterfaceName = interfaceName;
    +
    +            try {
    +                final Enumeration<InetAddress> inetAddresses = 
NetworkInterface.getByName(interfaceName).getInetAddresses();
    +
    +                if (inetAddresses.hasMoreElements()) {
    +                    this.localAddress = inetAddresses.nextElement();
    --- End diff --
    
    @markap14 on an unrelated note and this while I approved it I didn't see a 
call to use any address when local address isn't specified.  I imagine that's 
related to @apiri's comment, below, but I haven't inquired about his issue. 


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