Symptoms:
Trying to add a new host to the secondary fault domain using vmnic0 and vmnic1 fails. Primary fault domain hosts have been configured with vmnic0 and vmnic2.
Getting the following error messages:
Error: INVALID FAULT DOMAIN NAMES
Error: Failed to validate stretch spec [SPEC_ERROR_VMNIC_DOES_NOT_EXIST: ESXi host vmnicx does not contain specified pnic {a} (has {b})]