Description of problem:

Create a cold migration plan to migrate VM from vCenter7 to OCP cluster, check the plan is "Ready for migration", click the "Plans -> Plan Details -> Virtual machines", hit "Unable to retrieve data" error. Wait for 5 seconds, the VM is listed on the page

Version-Release number of selected component (if applicable):

2.10 (IIB: forklift-fbc-prod-v418:on-pr-ed29d91396629a5c3cf0e52e4ef2d5cc1482e275) with CNV 4.18.14

How reproducible:

Always

Steps to Reproduce:

1) Create a cold migration plan to migrate VM from vCenter7 to OCP cluster with preserve static ip: on

2) Check the plan is "Ready for migration", click the "Plans -> Plan Details -> Virtual machines", hit "Unable to retrieve data" error.

3) Wait for 5 seconds, the VM is listed on the page

Actual results:

In step2: Hit Unable to retrieve data" error

Expected results:

In step2: No error, list the VMs

Additional info: