The shared-parent oneshot never ran before pve-guests (WantedBy=multi-user
wasn't pulled into the boot transaction), so on a host reboot the guest bound a
not-yet-shared parent -> private -> propagation broken. Now WantedBy=pve-guests
(pve-guests pulls it in + Before= orders it first); EnsureSharedParent reinstalls
the unit when content differs so the fix deploys.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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