If you have two or more NICs on your host, you can simply create a new VDS and give it one of the uplinks, then migrate your virtual machines over to it. Once that's done, give it the remaining NICs that the 1000v VEM was using and remove the 1000v switch.
1000v removal steps are part of this workflow: Cisco Nexus 1000V Troubleshooting Guide, Release 4.2(1)SV2(1.1) - Installation  [Cisco Nexus 1000V Series S…