Xm-test execution summary:
  PASS:  88
  FAIL:  2
  XPASS: 1
  XFAIL: 0


Details:

 FAIL: 04_block_attach_device_repeatedly_pos 
	 xm block-attach returned invalid 256 != 0

 FAIL: 01_migrate_localhost_pos 
	 xm migrate returned invalid 256 != 0