Fail to add second host to RHEV Hosted Engine setup with invalid CPU type error

Issue

Fail to add second host to RHEV Hosted Engine setup with the following error:

2016-03-18 15:21:42 DEBUG otopi.plugins.ovirt_hosted_engine_setup.vdsmd.cpu cpu._customization:135 Compatible CPU models are: ['-nomodel_HaswellTSX', 'model_Nehalem', 'model_Conroe', 'model_coreduo', 'model_core2duo', 'model_Penryn', 'model_IvyBridge', 'model_Westmere', 'model_n270', 'model_SandyBridge']

2016-03-18 15:21:42 DEBUG otopi.plugins.otopi.dialog.human dialog.__logString:219 DIALOG:SEND       The following CPU types are supported by this host:
2016-03-18 15:21:42 DEBUG otopi.plugins.otopi.dialog.human dialog.__logString:219 DIALOG:SEND  - model_SandyBridge: Intel SandyBridge Family
2016-03-18 15:21:42 DEBUG otopi.plugins.otopi.dialog.human dialog.__logString:219 DIALOG:SEND  - model_Westmere: Intel Westmere Family
2016-03-18 15:21:42 DEBUG otopi.plugins.otopi.dialog.human dialog.__logString:219 DIALOG:SEND  - model_Nehalem: Intel Nehalem Family
2016-03-18 15:21:42 DEBUG otopi.plugins.otopi.dialog.human dialog.__logString:219 DIALOG:SEND  - model_Penryn: Intel Penryn Family
2016-03-18 15:21:42 DEBUG otopi.plugins.otopi.dialog.human dialog.__logString:219 DIALOG:SEND  - model_Conroe: Intel Conroe Family
2016-03-18 15:21:42 DEBUG otopi.context context._executeMethod:156 method exception
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/otopi/context.py", line 146, in _executeMethod
    method['method']()
  File "/usr/share/ovirt-hosted-engine-setup/scripts/../plugins/ovirt-hosted-engine-setup/vdsmd/cpu.py", line 192, in _customization
    ohostedcons.VDSMEnv.VDSM_CPU
RuntimeError: Invalid CPU type specified: model_Haswell
2016-03-18 15:21:42 ERROR otopi.context context._executeMethod:165 Failed to execute stage 'Environment customization': Invalid CPU type specified: model_Haswell

ERROR otopi.plugins.ovirt_hosted_engine_setup.core.misc misc._terminate:170 Hosted Engine deployment failed: this system is not reliable, please check the issue, fix and redeploy