Traffic stops flowing in 2 seconds

Bugs
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1

I have J1800 5 intel gbe lan router, VyOs 1.2.0, Jun 23 build
4 ports are bridge. One random device on the bridge stops working. It is really annoying when it affects wifi ap.
This time it was laptop, so i could test. Everything was fine, then laptop went to sleep mode.
If i disconnect and reconnect cable - i get IP address from dhcp, traffic flows for several seconds. Then nothing, link does not change it’s state.
I suspect it can be some sort of hardware/software fault where adapter reboots every n secods.

How can i find out what’s happening?

2

Hello @zukoff, I think you can look at show log tail 100 when problem appears. And also sudo dmesg for finding hardware messages.