$ nemo .

(nemo:8253): Gtk-WARNING **: Failed to register client: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files
Initializing folder-color-switcher extension...
totem-video-thumbnailer couldn't open file 'file:///home/USER/tmp/1/remote.mkv'

(nemo:8253): CinnamonDesktop-WARNING **: Unable to create loader for mime type video/x-matroska: Нераспознанный формат файла изображения
totem-video-thumbnailer couldn't open file 'file:///home/USER/tmp/1/test.mkv'

(nemo:8253): CinnamonDesktop-WARNING **: Unable to create loader for mime type video/x-matroska: Нераспознанный формат файла изображения
totem-video-thumbnailer couldn't open file 'file:///home/USER/tmp/1/test2.mkv'

(nemo:8253): CinnamonDesktop-WARNING **: Unable to create loader for mime type video/x-matroska: Нераспознанный формат файла изображения
totem-video-thumbnailer couldn't open file 'file:///home/USER/tmp/1/test3.mkv'

(nemo:8253): CinnamonDesktop-WARNING **: Unable to create loader for mime type video/x-matroska: Нераспознанный формат файла изображения