Was able to reproduce, my workaround was a systemd timer to clear the dhcp lease files and restart networkmanager... which is rather violent.
Confirmed client side problem, Win7,Win10,MacOS Montemery and Android 11 have no problems and do not lose their ipv6 on the same network.
Was able to reproduce, my workaround was a systemd timer to clear the dhcp lease files and restart networkmanager... which is rather violent.
Confirmed client side problem, Win7,Win10,MacOS Montemery and Android 11 have no problems and do not lose their ipv6 on the same network.