Li Tan
An earlier PR by a colleague has proposed the same update: https://github.com/Azure/azhpc-images/pull/392/files#diff-75849723f241364a8d80ef753d35bc39223022cbef74ab43d24c12f8835dc3d2
Remember to resolve the conflict first: 
Hi James, Thanks for reporting this. What do you get on those nodes with NVLinks missing by running: `nvidia-smi nvlink -s`
Also, to double confirm, do you think you may do the same experiment on ND_A100 and ND_H100 to prove it won’t happen to these SKUs but only NC series?