the sync msg @ p2pool w/out miners connected
https://github.com/SChernykh/p2pool/commit/72d70eba161c3d41ce6f67e2df2bc2ad057d4497

_Originally posted by @SChernykh in https://github.com/SChernykh/p2pool/issues/147#issuecomment-1127089432_

It's so strange but it doesn't work at all if the're no incoming connections to statum server port!
In my case only miners from my LAN can connect, it was always closed from outside.

![image](https://user-images.githubusercontent.com/93492811/168607346-f3d69fe1-6d31-4ab4-9148-8a1cfc2cc665.png)

The sync message doesn't appear at all if i change the stratum server port known for my miners.