Fix creation of cifs entry in cmode driver

Cmode driver tries to create NetBIOS name in cifs server and fails, because
this name should be unique, but driver did not use unique value for it.
Also removed silent passing when cifs entry was not created.

Change-Id: Ic05c7a0d2e6c544d06eb5f1e255c21083e5e6938
Closes-Bug: #1356387
Closes-Bug: #1356395
Merge "Fix creation of cifs entry in cmode driver"