fix: warn when bwrap cannot create user namespaces#15893
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LGTM - one minor spelling nit.
Co-authored-by: Codex <noreply@openai.com>
Co-authored-by: Codex <noreply@openai.com>
Co-authored-by: Codex <noreply@openai.com>
Co-authored-by: Codex <noreply@openai.com>
Co-authored-by: Codex <noreply@openai.com>
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Summary
bwrapis present but cannot create user namespacescodex-sandboxingbwrapwarning to point users at the sandbox prerequisites and OS package-manager install pathDetails
bwrapwith--unshare-user,--unshare-net, and a minimal bind before command executionRTM_NEWADDR,RTM_NEWLINK, uid-map permission denial, andNo permissions to create a new namespacedanger-full-accessandexternal-sandbox