vhost_vsock_get
vsock = vhost_vsock_get(le64_to_cpu(hdr->dst_cid), net);
vsock = vhost_vsock_get(vsk->remote_addr.svm_cid,
vsock = vhost_vsock_get(remote_cid, net);
if (vhost_vsock_get(vsk->remote_addr.svm_cid, sock_net(sk))) {
other = vhost_vsock_get(guest_cid, vsock->net);