The images by below two commits are very unclear. Fix it.
Fixes: 50665deebda ("doc: add guide to use virtio-user for container networking")
Fixes: 0ba3870e755 ("doc: add guide to use virtio-user as exceptional path")
Suggested-by: Thomas Monjalon <thomas.monjalon@6wind.com>
Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
Signed-off-by: Harry van Haaren <harry.van.haaren@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>