With the lumberjack input, the following is working:
With the tcp/udp input it's not working. No messages will be shipped. BUT this configuration is working:
Why is the one solution working, the other one not?
I suspect this is a configuration issue, not a bug. Did you get this working? Might suggest the Mailing list or IRC.
A little more aggressive garbage-collect on jira.com, expecting follow-up activities to take place on github issues