vsock_assign_transport
int vsock_assign_transport(struct vsock_sock *vsk, struct vsock_sock *psk);
err = vsock_assign_transport(vsk, NULL);
ret = vsock_assign_transport(vsk, NULL);
EXPORT_SYMBOL_GPL(vsock_assign_transport);
ret = vsock_assign_transport(vnew, vsock_sk(sk));
ret = vsock_assign_transport(vchild, vsk);
err = vsock_assign_transport(vpending, vsock_sk(sk));