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Verify that for a connectible AF_VSOCK socket, merely having a transport assigned is insufficient; socket must be connected for the sockmap to accept. This does not test datagram vsocks. Even though it hardly matters. VMCI is the only transport that features VSOCK_TRANSPORT_F_DGRAM, but it has an unimplemented vsock_transport::readskb() callback, making it unsupported by BPF/sockmap. Signed-off-by: Michal Luczaj <mhal@rbox.co> Acked-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>