Solution –
add_action( 'admin_menu', 'wpse_admin_menu', 100 );
function wpse_admin_menu()
{
global $menu, $submenu;
$parent="gf_edit_forms";
if( !isset($submenu[$parent]) )
return;
foreach( $submenu[$parent] as $k => $d ){
if( $d['2'] == 'gf_entries' )
{
$submenu[$parent][$k]['2'] = 'admin.php?page=gf_entries&id=2';
break;
}
}
}