You need to ssh into the MLOM management. After you get in run scope chassis > scope adapter MLOM > scope ext-eth-if 0 > set admin-speed 4x10Gbps that will convert your 40Gb ports to 4 10Gb ports.
I am using the QSFP-H40G-CU1M. If i connect the VIC port from C220-01 to C220-02 then I still get no link. Only when I use a QSA do I get a link after setting the speed to 4x10Gb.