Recently I was helping one of the customer with the upgrade of NSX-T to version 3.2. Everything was going well until it wasn't.
Well when we reached to the point of upgrading NSX Manager we encountered an error which didnt make much sense as we upgraded edges and hosts using the the same image.
Error was " Download and verify bundle failed with msg: Failed to verify bundle: ['tar','f', '/var/vmware/nsx/file-store/VMware-NSX-unified-appliance-3.2.1.1.0.20115694.nub','--list'] returened 2: b'tar: This does not look like a tar archive\ntar: Exiting with failure status due to previous errors\n' More..."