gvfs 1.28.2-1ubuntu1~16.04.3 (s390x binary) in ubuntu xenial

 gvfs is a userspace virtual filesystem where mounts run as separate
 processes which you talk to via D-Bus. It also contains a gio module
 that seamlessly adds gvfs support to all applications using the gio
 API. It also supports exposing the gvfs mounts to non-gio applications
 using fuse.
 .
 This package contains the GIO module that lets applications use gvfs
 mounts.