[NemoClaw][Brev Launchable] Openclaw UI link is unhealthy

[caroline-xuan]

Description

[Description]

Follow brev launchable link https://brev.nvidia.com/launchable/deploy/now?launchableID=env-3Azt0aYgVNFEuz7opyx3gscmowS, onboard a sandbox. Sometimes, the openclaw ui link with port 18789 is unhealthy

[Environment]

• Device: Brev instance Ubuntu 22.04.5 LTS
• Node.js: v22.22.1
• Docker: Docker Engine 29.3.0
• OpenShell CLI: 0.0.10
• NemoClaw: v0.1.0 (36f4456 )
• OpenClaw: 2026.3.11 (29dc654)

[Steps to Reproduce]

1. Open brev launchable link https://brev.nvidia.com/launchable/deploy/now?launchableID=env-3Azt0aYgVNFEuz7opyx3gscmowS
2. Onboard one sandbox
3. Check brev access: https://brev.nvidia.com/org/org-2tKjWLwOr05XFK34dn0UFpPIdF6/environments/r2wq8g6tu#Access

[Expected Behavior]
Should be always healthy and accessible

[Actual Behavior]
Sometimes, the openclaw ui link with port 18789 is unhealthy

Steps to reproduce

No steps provided.

---

[NVB# 6035729]

[wscurran]

✨
Possibly related open PRs:

• #1235 refactor(cli): delete setup.sh, route all setup through nemoclaw onboard
• #1144 fix(security): bump openclaw to 2026.3.28
• #1147 fix(security): audit and batch sudo calls in brev-setup.sh