Trend Micro uses custom property called 'management.ip0' as Service attribute. That property has "empty string" as value. NSX also define native property with same name and injected in OVF.
NSX V always uses latest value define by partner service attribute, whenever a SVM is reconfigured.
In this case, the Trend value is "empty string". This value will be overwritten to NSX based injected static IP. Trend uses 'management.ip0' to configure static IP and in this case it will be empty string, leading to lost of IP.