@kytta If its wifi related and you have a 5Ghz wifi, maybe it gets shut off when something nearby with more priority tries do send something. I have a similar issue
https://avm.de/service/wissensdatenbank/dok/FRITZ-Box-7590/1349_5-GHz-Funknetz-gelegentlich-deaktiviert-Radar-Signal/
https://de.wikipedia.org/wiki/Dynamic_Frequency_Selection