Comment # 5 on bug 1140907 from Noel Power

(In reply to David Disseldorp from comment #4)
> (In reply to David Mulder from comment #3)
> > A tcpdump shows no smb traffic at all.
> 
> Could be an issue with the firewall?

or perhaps not getting the correct interface, since this is all host based
probably this is going though lo

also I'd

a) bump the debug to 10
b) try smbclient locally too