Comment 6 for bug 1194206

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Ihar Hrachyshka (ihar-hrachyshka) wrote :

We validate the constraint in code (_validate_subnet_cidr) but if two transactions are started in parallel, and both try to allocate the same CIDR, then validation will succeed for both, and then they will be able to create those resources. Which would violate the expectation.

I presume the bug is real, so moving to another state.