Created attachment 119181 [details] tcpdump of libsmbclient error SUMMARY STEPS TO REPRODUCE 1. 2. 3. OBSERVED RESULT EXPECTED RESULT SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION
If the error messages come from libsmbclient itself, then this isn't a KDE problem. I recommend reporting this to the Samba people. Thanks!