On 13/03/2024 21:52, Franco Martelli wrote:
Do you have configured both NetworkManager and Debian /etc/network/interfaces? They cannot coexist,
They can coexist. NetworkManager in default configuration ignores interfaces under control of ifupdown (/etc/network/interfaces).
Detailed messages from NetworkManager related to carrier change events are missed in the posted log file, so the interface is configured by ifupdown.