VIAVI TestCenter: Daemon ifmgrd_xxx died after creating large number of host on a device interface.

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After creating 1.6M host via script, port goes to unavailable state causing the script to crash.  bll.logs shows below errors: WARN  3796     - user.equipment       - port //x.x.x.x/11/2 event: Low memory detected on port group. Test should be scaled back. ERROR 3796     - user.equipment       - port //x.x.x.x/11/2 event: Daemon ifmgrd_131 died FATAL 3796     - user.rpc             - Lost connection to x.x.x.x test module 11 port group 2.  Please check connection and network condition.          
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