controllers.certificaterequests.Reconcile calls client.subResourceClient.Patch, which eventually calls net.Dialer.DialContext

env.RunControlPlane calls webhook.StartWebhookServer, which eventually calls net.Listen

validation.file_pkg_internal_approver_validation_certificaterequest_proto_rawDescGZIP calls sync.Once.Do, which eventually calls net.ListenConfig.Listen

env.RunControlPlane calls envtest.Environment.Start, which eventually calls net.LookupHost

env.RunControlPlane calls envtest.Environment.Start, which eventually calls net.ResolveTCPAddr