I have the same issue. LE 10.0.1 new installed on a RPI4 in an ArgonOne M.2. LE is running on the SATA M.2 in the expansion box. I cannot install any Add On. Wait for network is set, also the ntp server is reachable.
Logfile is here: http://ix.io/3EXd
Any further ideas on this?
Thanks akpp