gvfs does not work in docker images
docker-image: fedora-34
$ rpm -qa | grep gvfs
gvfs-client-1.47.90-1.fc34.x86_64
gvfs-1.47.90-1.fc34.x86_64
gvfs-afc-1.47.90-1.fc34.x86_64
gvfs-tests-1.47.90-1.fc34.x86_64
$ gio cat http://www.google.com
gio: http://www.google.com: Operation not supported