bfgminer.exe -S antminer:all  --set-device antminer:clock=x0881 -o stratum+tcp://ispace.co.uk:3337 -u green.tiger -p x
What wrong?

 bfgminer version 5.3.0 - Started: [2015-10-14 13:17:40] - [  0 days 00:50
 [M]anage devices [P]ool management Settings [D]isplay options  [H]elp [
 Pool 0: ispace.co.uk        Diff:32  +Strtm  LU:[14:07:49]  User:greeny
 Block: ...2480ff89bb40e660  Diff:2.55k (18.24Gh)  Started: [14:07:49]  I:
 ST:3  F:3  NB:1035  AS:0  BW:[169/  1 B/s]  E:5.22  BS:111k
 1            |  1.82/ 1.80/ 1.62Gh/s | A:26 R:2+0( 11%) HW:0/none
--------------------------------------------------------------------------
 CBM 0:       |  1.80/ 1.80/ 1.62Gh/s | A:26 R:2+0( 11%) HW:0/none
--------------------------------------------------------------------------
 [2015-10-14 14:07:35] Network difficulty changed to 2.55k (18.24Gh)
 [2015-10-14 14:07:35] Stratum from pool 0 detected new block
 [2015-10-14 14:07:38] Network difficulty changed to 2.55k (18.24Gh)
 [2015-10-14 14:07:38] Stratum from pool 0 detected new block
 [2015-10-14 14:07:40] Network difficulty changed to 2.55k (18.24Gh)
 [2015-10-14 14:07:40] Stratum from pool 0 detected new block
 [2015-10-14 14:07:41] Network difficulty changed to 2.55k (18.24Gh)
 [2015-10-14 14:07:41] Stratum from pool 0 detected new block
 [2015-10-14 14:07:44] Network difficulty changed to 2.55k (18.24Gh)
 [2015-10-14 14:07:44] Stratum from pool 0 detected new block
 [2015-10-14 14:07:45] Network difficulty changed to 2.55k (18.24Gh)
 [2015-10-14 14:07:45] Stratum from pool 0 detected new block
 [2015-10-14 14:07:46] Network difficulty changed to 2.55k (18.24Gh)
 [2015-10-14 14:07:46] Stratum from pool 0 detected new block
 [2015-10-14 14:07:49] Network difficulty changed to 2.55k (18.24Gh)
 [2015-10-14 14:07:49] Stratum from pool 0 detected new block

and nothing more/