{$elemname=$form|cat:'[netdevid]'}
{$elemid=$form|cat:'netdevid'}

{if empty($netdevlist)}
    {network_device_selection elemname=$elemname id=$elemid selected=$ticket.netdevid}
{else}
    {network_device_selection elemname=$elemname id=$elemid list=$netdevlist selected=$ticket.netdevid}
{/if}