r0 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r0, 0x89f1, &(0x7f0000000680)={'sit0\x00', &(0x7f0000000600)={'ip6_vti0\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @private0, @dev}})