udp_set_kernel_tunneling
rc = udp_set_kernel_tunneling(so4, wg_input, NULL, sc);
rc = udp_set_kernel_tunneling(so6, wg_input, NULL, sc);
ret = udp_set_kernel_tunneling(sc->so, NULL, NULL, NULL);
ret = udp_set_kernel_tunneling(sc->so, NULL, NULL, NULL);
ret = udp_set_kernel_tunneling(sc->so, ovpn_udp_input, NULL, sc);
error = udp_set_kernel_tunneling(vso->vxlso_sock,
error = udp_set_kernel_tunneling(gs->so,
if ((ret = udp_set_kernel_tunneling(SCTP_BASE_INFO(udp4_tun_socket),
if ((ret = udp_set_kernel_tunneling(SCTP_BASE_INFO(udp6_tun_socket),
if ((ret = udp_set_kernel_tunneling(V_udp4_tun_socket,
if ((ret = udp_set_kernel_tunneling(V_udp6_tun_socket,
int udp_set_kernel_tunneling(struct socket *so, udp_tun_func_t f,
error = udp_set_kernel_tunneling(gs->so,