Ethernet Port on Unifi 6LR has no traffic with snapshots and 22.03 RC4

Continuing the discussion from Ubiquity 6 LR upgrade to snapshots not working:

I can see outgoing packets in the realtime graphs, there are no incoming packets shown.
The connected laptop captures no packets from

only non-default configuration are wlan SSIDs, bridged with the default br-lan.
Eth0 is up. br-lan is up. wlan is working, with default and DHCP server on the device.