This seems to affect 2:4.3.11+dfsg-0ubuntu0.16.04.2 too, as I had exactly the same issue and I fixed it by downgrading everything sourced from samba to version 2:4.3.11+dfsg-0ubuntu0.16.04.1.
This seems to affect 2:4.3.11+ dfsg-0ubuntu0. 16.04.2 too, as I had exactly the same issue and I fixed it by downgrading everything sourced from samba to version 2:4.3.11+ dfsg-0ubuntu0. 16.04.1.