OpenWrt network + moOde & Spotify connect

I have a question about having an OpenWrt network and using moOde Audio + librespot.

I have asked this question on the moOde forum but it's still unresolved and I was wondering if there are OpenWrt + moOde users here as well.

When I use the Spotify Connect feature in moOde (which uses librespot) music streams will start playing. However, after varying time intervals it stops playing and I have to restart the stream. I've tried reinstalling moOde and asking on the forum there, but there's no solution yet.

I have the feeling it's somehow network related as I can play longer without interruption when the whole network is restarted but it will dropout eventually again. I've also tried IPv4 only vs IPv4 & IPv6 which is moOde's standard and that seems to help temporarily but it's also not a lasting solution.

I'm at a lost therefore i thought to ask here as well if anybody experienced the same dropouts whit moOde on an OpenWrt network.