Comment 15 for bug 1578576

My downgrade command:

aptitude -V install winbind=2:4.1.6+dfsg-1ubuntu2 samba=2:4.1.6+dfsg-1ubuntu2 libwbclient0=2:4.1.6+dfsg-1ubuntu2 samba-libs=2:4.1.6+dfsg-1ubuntu2 python-samba=2:4.1.6+dfsg-1ubuntu2 samba-vfs-modules=2:4.1.6+dfsg-1ubuntu2 libldb1=1:1.1.16-1 samba-common=2:4.1.6+dfsg-1ubuntu2 samba-common-bin=2:4.1.6+dfsg-1ubuntu2 samba-dsdb-modules=2:4.1.6+dfsg-1ubuntu2 python-ldb=1:1.1.16-1 libnss-winbind=2:4.1.6+dfsg-1ubuntu2 libpam-winbind=2:4.1.6+dfsg-1ubuntu2