if (!(session = vcl_session_get (wrk, sid)))
{
clib_bitmap_set_no_check ((uword*)write_map, sid, 1);
if (!(session = vcl_session_get (wrk, sid)))
{
clib_bitmap_set_no_check ((uword*)write_map, sid, 1);
if (!(session = vcl_session_get (wrk, sid)))
{
clib_bitmap_set_no_check ((uword*)read_map, sid, 1);
if (!(session = vcl_session_get (wrk, sid)))
{
clib_bitmap_set_no_check ((uword*)read_map, sid, 1);