Xm-test execution summary:
  PASS:  85
  FAIL:  4
  XPASS: 1
  XFAIL: 0


Details:

 FAIL: 01_vcpu-disable_basic_pos 
	 failed to disable VCPU1

 FAIL: 01_save_basic_pos 
	 save command exited 256 != 0

 FAIL: 01_restore_basic_pos 
	 save command exited 256 != 0

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