I don't know what the problem is either, but these LED bulbs have turned into the biggest screw you I've seen... they're supposed to last years, and after replacing them all, it feels like I'm replacing them at the same rate as incandescents...
Put a voltage recording meter on that circuit. You may have an intermittent open neutral (either in a MWBC or the entire service) that causes voltage spikes.
This might not be relate to this problem but in controls there can be a similar event. When I've built building control panels that have running lights to show equipment's status (incandescent) a relay was often used to isolate the bulb from EMF spikes when an operating control opened.
The control could manage the spikes but not the bulb.
On some systems a varesistor was placed across the load to lessen spikes.
Not suggesting this as a fix for your problem but spikes kill bulbs. I'd look at connections, or shared with any inductive load.
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