The 'preserve' flag can be used to mark a peer so it is not removed or modified on upgrades. In addition, groups containing preserved peers are not removed. Fixes: #557  | 
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| .. | ||
| faq.rst | ||
| getting_started.rst | ||
| mtu-diagram_v5.png | ||
| site.rst | ||
| supported_devices.rst | ||
| x86.rst | ||