Userdata update on Droplets trigger an Error on Firewall previously created

Diagnostics:
  digitalocean:index:Firewall (doroplets-webmago-firewall):
    error: transport is closing
 
  pulumi:pulumi:Stack (digitalocean-ts-droplets-dev):
    panic: interface conversion: interface {} is string, not int
    goroutine 13 [running]:
    <http://github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema.SerializeValueForHash(0xc000561100|github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema.SerializeValueForHash(0xc000561100>, 0x148c740, 0x1927410, 0xc0006cb900)
    	/home/runner/go/pkg/mod/github.com/pulumi/terraform-plugin-sdk/v2@v2.0.0-20201218231525-9cca98608a5e/helper/schema/serialize.go:24 +0x959
    <http://github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema.HashSchema.func1(0x148c740|github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema.HashSchema.func1(0x148c740>, 0x1927410, 0xc0008feec0)
    	/home/runner/go/pkg/mod/github.com/pulumi/terraform-plugin-sdk/v2@v2.0.0-20201218231525-9cca98608a5e/helper/schema/set.go:43 +0x68
    <http://github.com/pulumi/pulumi-terraform-bridge/v2/pkg/tfshim/sdk-v2.v2Schema.SetHash(0xc0006cba40|github.com/pulumi/pulumi-terraform-bridge/v2/pkg/tfshim/sdk-v2.v2Schema.SetHash(0xc0006cba40>, 0x148c740, 0x1927410, 0x0)
    	/home/runner/go/pkg/mod/github.com/pulumi/pulumi-terraform-bridge/v2@v2.19.0/pkg/tfshim/sdk-v2/schema.go:176 +0x62
    <http://github.com/pulumi/pulumi-terraform-bridge/v2/pkg/tfbridge.visitPropertyValue(0xc000a729a4|github.com/pulumi/pulumi-terraform-bridge/v2/pkg/tfbridge.visitPropertyValue(0xc000a729a4>, 0xb, 0xc000b693e0, 0xa, 0x146d820, 0xc00069e040, 0x198e3a0, 0xc0006cba40, 0x0, 0xc0006cba00, ...)
    	/home/runner/go/pkg/mod/github.com/pulumi/pulumi-terraform-bridge/v2@v2.19.0/pkg/tfbridge/diff.go:114 +0x486
    <http://github.com/pulumi/pulumi-terraform-bridge/v2/pkg/tfbridge.doIgnoreChanges(0x19800a0|github.com/pulumi/pulumi-terraform-bridge/v2/pkg/tfbridge.doIgnoreChanges(0x19800a0>, 0xc0004e9650, 0xc00057bec0, 0xc000397e90, 0xc0006f8cf0, 0x0, 0x0, 0x0, 0x19845a0, 0xc000792220)
    	/home/runner/go/pkg/mod/github.com/pulumi/pulumi-terraform-bridge/v2@v2.19.0/pkg/tfbridge/diff.go:259 +0x4e5
    <http://github.com/pulumi/pulumi-terraform-bridge/v2/pkg/tfbridge.(*Provider).Diff(0xc00000a1e0|github.com/pulumi/pulumi-terraform-bridge/v2/pkg/tfbridge.(*Provider).Diff(0xc00000a1e0>, 0x19765c0, 0xc000397d70, 0xc0002da000, 0xc00000a1e0, 0x1520001, 0xc000953e40)
    	/home/runner/go/pkg/mod/github.com/pulumi/pulumi-terraform-bridge/v2@v2.19.0/pkg/tfbridge/provider.go:689 +0x785
    <http://github.com/pulumi/pulumi/sdk/v2/proto/go._ResourceProvider_Diff_Handler.func1(0x19765c0|github.com/pulumi/pulumi/sdk/v2/proto/go._ResourceProvider_Diff_Handler.func1(0x19765c0>, 0xc000397d70, 0x1678e80, 0xc0002da000, 0x1687960, 0x22d3870, 0x19765c0, 0xc000397d70)
    	/home/runner/go/pkg/mod/github.com/pulumi/pulumi/sdk/v2@v2.20.1-0.20210212181059-f4b0fa86fedc/proto/go/provider.pb.go:2251 +0x89
    <http://github.com/grpc-ecosystem/grpc-opentracing/go/otgrpc.OpenTracingServerInterceptor.func1(0x19765c0|github.com/grpc-ecosystem/grpc-opentracing/go/otgrpc.OpenTracingServerInterceptor.func1(0x19765c0>, 0xc000396600, 0x1678e80, 0xc0002da000, 0xc000b57de0, 0xc000b57e00, 0x0, 0x0, 0x1950560, 0xc00036de90)
    	/home/runner/go/pkg/mod/github.com/grpc-ecosystem/grpc-opentracing@v0.0.0-20180507213350-8e809c8a8645/go/otgrpc/server.go:57 +0x2f6
    <http://github.com/pulumi/pulumi/sdk/v2/proto/go._ResourceProvider_Diff_Handler(0x16c0c20|github.com/pulumi/pulumi/sdk/v2/proto/go._ResourceProvider_Diff_Handler(0x16c0c20>, 0xc00000a1e0, 0x19765c0, 0xc000396600, 0xc000600e40, 0xc0007085c0, 0x19765c0, 0xc000396600, 0xc000950a80, 0x9d6)
    	/home/runner/go/pkg/mod/github.com/pulumi/pulumi/sdk/v2@v2.20.1-0.20210212181059-f4b0fa86fedc/proto/go/provider.pb.go:2253 +0x150
    <http://google.golang.org/grpc.(*Server).processUnaryRPC(0xc0003321c0|google.golang.org/grpc.(*Server).processUnaryRPC(0xc0003321c0>, 0x1984d80, 0xc00008a780, 0xc0009a8800, 0xc0006dab40, 0x2290410, 0x0, 0x0, 0x0)
    	/home/runner/go/pkg/mod/google.golang.org/grpc@v1.32.0/server.go:1194 +0x522
    <http://google.golang.org/grpc.(*Server).handleStream(0xc0003321c0|google.golang.org/grpc.(*Server).handleStream(0xc0003321c0>, 0x1984d80, 0xc00008a780, 0xc0009a8800, 0x0)
    	/home/runner/go/pkg/mod/google.golang.org/grpc@v1.32.0/server.go:1517 +0xd05
    <http://google.golang.org/grpc.(*Server).serveStreams.func1.2(0xc0001262c0|google.golang.org/grpc.(*Server).serveStreams.func1.2(0xc0001262c0>, 0xc0003321c0, 0x1984d80, 0xc00008a780, 0xc0009a8800)
    	/home/runner/go/pkg/mod/google.golang.org/grpc@v1.32.0/server.go:859 +0xa5
    created by <http://google.golang.org/grpc.(*Server).serveStreams.func1|google.golang.org/grpc.(*Server).serveStreams.func1>
    	/home/runner/go/pkg/mod/google.golang.org/grpc@v1.32.0/server.go:857 +0x1fd