Comment 6 for bug 1510475

Also, I will try to debug ports with tcpdump, and share my observations. But I think that hardware structure (last message) from my device also can be helpful for you.

According to point:
"In the successful case, are you sure that you haven't connected your physical device to 'veth_wan' interface?"
Could You explain a little bit more about this? How can I check this? (In previous message I send you output of 'ip a' command, is possible to make sure that we didn't do this)