Error when applying migration that creates a GIST index on a CIDR type

[EricStG]

I have an entity with a property of ValueTuple<IPAddress, int> type:

public class Entity
{
    public int Id { get; set; }
    public (IPAddress address, int subnet) Network { get; set; }
}

And in the model builder, I create an index using the GIST type on Network:

entity.HasIndex(e => e.Network)
    .HasName("Entity")
    .ForNpgsqlHasMethod("gist");

Generating the migration works, but executing it, I get the following:

42704: data type cidr has no default operator class for access method "gist"

Essentially, I would like to be able to pass inet_iops when creating the index in order to generate a statement similar to:

CREATE  INDEX "Entity_Network_key"
    ON "Entity" USING GIST
    ("Network" inet_ops)

[austindrenski]

This should be supported by #662, which should be merged for 2.2.0.

I'm going to close this for now, but please feel free to post here if you have any questions.