Package: 
#Pin: release a= 
#Pin-priority: 

Package: *
Pin: release a=stable
Pin-Priority: 900

Package: xserver-xorg-video-nvidia-legacy-340xx
Pin: release a=unstable
Pin-Priority: 900

Package: *
Pin: release a=unstable
Pin-Priority: -10

#Package: kodi*
#Pin: release a=stable
#Pin-Priority: -10

#Package: smplayer*
#Pin: release a=stable
#Pin-Priority: -10

#Package: qbittorrent*
#Pin: release a=stable
#Pin-Priority: -10