squeeze2upnp repeatedly crashing, server becomes unpingable

[Lestrad]

Hello. I'm running LMS v7.9.3 with squeeze2upnp version: v3.3.5 on Arch Linux ARM. The plug-in keeps crashing and it renders the server, a Wandboard Quad, unreachable except via the serial debug port. The router gives me the exact time the Wandboard became unreachable and it corresponds to a series of crashes of squeeze2upnp (see attached journal

Are the crashes associated with the Wandboard becoming unpingable? Can I solve the problem without updating LMS or the plug-in (it has been running with no problem for around two years). If not, which version(s) would I need?

Please let me know what further information you need and I'll try to provide it. I am not a regular or a practiced Linux user.

Thanks in advance for any help.

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Wand-journal-when-became-unreachable_.txt