Upgraded all firwares (Thunderbolt controller 20.00, System firmware 0.1.65), and to ubuntu 20.04 with the 5.3.0-51-generic kernel. Same problem there, networking through the dock just stops working after a while... this time about 20 minutes after boot.
Upgraded all firwares (Thunderbolt controller 20.00, System firmware 0.1.65), and to ubuntu 20.04 with the 5.3.0-51-generic kernel. Same problem there, networking through the dock just stops working after a while... this time about 20 minutes after boot.