In some cases, it is possible to create multiple NAT gateway configurations that include the same subnet
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## Issue
In some cases, it is possible to create multiple NAT gateway configurations that include the same subnet. For some of these configurations, VMs that are attached to that subnet are not allocated NAT ports, and therefore can't access resources on the internet.
For more information about this issue and a workaround, see [VMs can't reach the internet](https://cloud.google.com/nat/docs/troubleshooting#vms-no-internet-access).