Inbound listener generation failure once kuma.io/service not defined

[lukidzi]

Kuma Version

master

Describe the bug

2026-02-10T14:46:41.330Z ERROR xds.server.dataplane-sync-watchdog OnTick() failed {"dataplaneKey": {"Mesh":"default","Name":"test-server"}, "error": "could not reconcile: failed to generate a snapshot: imports[0]{name=\"default-proxy\"}: generator.InboundProxyGenerator failed: dataplane.networking.inbound[0]: could not generate listener inbound:127.0.0.1:9000: virtual host name is required, but it was not provided", "errorVerbose": "imports[0]{name=\"default-proxy\"}: generator.InboundProxyGenerator failed: dataplane.networking.inbound[0]: could not generate listener inbound:127.0.0.1:9000: virtual host name is required, but it was not provided\nfailed to generate a snapshot\ngithub.com/kumahq/kuma/v2/pkg/xds/server/v3.(*reconciler).Reconcile\n\tgithub.com/kumahq/kuma/v2@v2.13.1-0.20260205180907-00714b786fb8/pkg/xds/server/v3/reconcile.go:57\ngithub.com/kumahq/kuma/v2/pkg/xds/sync.(*DataplaneWatchdog).syncDataplane\n\tgithub.com/kumahq/kuma/v2@v2.13.1-0.20260205180907-00714b786fb8/pkg/xds/sync/dataplane_watchdog.go:196\ngithub.com/kumahq/kuma/v2/pkg/xds/sync.(*DataplaneWatchdog).Sync\n\tgithub.com/kumahq/kuma/v2@v2.13.1-0.20260205180907-00714b786fb8/pkg/xds/sync/dataplane_watchdog.go:83\ngithub.com/kumahq/kuma/v2/pkg/xds/sync.(*dataplaneWatchdogFactory).NewWithStreamCtx.func2\n\tgithub.com/kumahq/kuma/v2@v2.13.1-0.20260205180907-00714b786fb8/pkg/xds/sync/dataplane_watchdog_factory.go:49\ngithub.com/kumahq/kuma/v2/pkg/util/watchdog.(*SimpleWatchdog).onTick\n\tgithub.com/kumahq/kuma/v2@v2.13.1-0.20260205180907-00714b786fb8/pkg/util/watchdog/watchdog.go:98\ngithub.com/kumahq/kuma/v2/pkg/util/watchdog.(*SimpleWatchdog).Start\n\tgithub.com/kumahq/kuma/v2@v2.13.1-0.20260205180907-00714b786fb8/pkg/util/watchdog/watchdog.go:63\ngithub.com/kumahq/kuma/v2/pkg/xds/server/callbacks.(*dataplaneSyncTracker).OnProxyConnected.func1\n\tgithub.com/kumahq/kuma/v2@v2.13.1-0.20260205180907-00714b786fb8/pkg/xds/server/callbacks/dataplane_sync_tracker.go:58\nruntime.goexit\n\truntime/asm_amd64.s:1693\ncould not reconcile\ngithub.com/kumahq/kuma/v2/pkg/xds/sync.(*DataplaneWatchdog).syncDataplane\n\tgithub.com/kumahq/kuma/v2@v2.13.1-0.20260205180907-00714b786fb8/pkg/xds/sync/dataplane_watchdog.go:198\ngithub.com/kumahq/kuma/v2/pkg/xds/sync.(*DataplaneWatchdog).Sync\n\tgithub.com/kumahq/kuma/v2@v2.13.1-0.20260205180907-00714b786fb8/pkg/xds/sync/dataplane_watchdog.go:83\ngithub.com/kumahq/kuma/v2/pkg/xds/sync.(*dataplaneWatchdogFactory).NewWithStreamCtx.func2\n\tgithub.com/kumahq/kuma/v2@v2.13.1-0.20260205180907-00714b786fb8/pkg/xds/sync/dataplane_watchdog_factory.go:49\ngithub.com/kumahq/kuma/v2/pkg/util/watchdog.(*SimpleWatchdog).onTick\n\tgithub.com/kumahq/kuma/v2@v2.13.1-0.20260205180907-00714b786fb8/pkg/util/watchdog/watchdog.go:98\ngithub.com/kumahq/kuma/v2/pkg/util/watchdog.(*SimpleWatchdog).Start\n\tgithub.com/kumahq/kuma/v2@v2.13.1-0.20260205180907-00714b786fb8/pkg/util/watchdog/watchdog.go:63\ngithub.com/kumahq/kuma/v2/pkg/xds/server/callbacks.(*dataplaneSyncTracker).OnProxyConnected.func1\n\tgithub.com/kumahq/kuma/v2@v2.13.1-0.20260205180907-00714b786fb8/pkg/xds/server/callbacks/dataplane_sync_tracker.go:58\nruntime.goexit\n\truntime/asm_amd64.s:1693"}

To Reproduce

1. Deploy Kuma on universa
2. Don't use transparent proxy
3. Don't define kuma.io/service on the inbound

Expected behavior

No response

Additional context (optional)

No response