Pi4 homeassistant server periodically unreachable

Hi,

I have a fresh installation of Home Assistant version 0.113.3 on a PI4 with 4GB. I have been debugging an issue of my Hue light bridge becoming unavailable every other minute. I came across a networking issue and wanted to ask a separate question.

The pi is connected directly to the router via Ethernet cable and it’s a stock Virgin Media router. At the moment I only have hue light integration. When pinging the server continuously from another pi on the same wired network I get Destination host unreachable e.g.

Mon 10 Aug 08:22:58 BST 2020: 64 bytes from 192.168.0.60: icmp_seq=405 ttl=64 time=0.475 ms
Mon 10 Aug 08:23:00 BST 2020: 64 bytes from 192.168.0.60: icmp_seq=406 ttl=64 time=0.624 ms
Mon 10 Aug 08:23:13 BST 2020: From 192.168.0.50 icmp_seq=411 Destination Host Unreachable
Mon 10 Aug 08:23:13 BST 2020: From 192.168.0.50 icmp_seq=412 Destination Host Unreachable
Mon 10 Aug 08:23:17 BST 2020: From 192.168.0.50 icmp_seq=413 Destination Host Unreachable
Mon 10 Aug 08:23:17 BST 2020: From 192.168.0.50 icmp_seq=414 Destination Host Unreachable
Mon 10 Aug 08:23:22 BST 2020: From 192.168.0.50 icmp_seq=415 Destination Host Unreachable
Mon 10 Aug 08:23:22 BST 2020: From 192.168.0.50 icmp_seq=416 Destination Host Unreachable
Mon 10 Aug 08:23:25 BST 2020: 64 bytes from 192.168.0.60: icmp_seq=417 ttl=64 time=2079 ms
Mon 10 Aug 08:23:25 BST 2020: 64 bytes from 192.168.0.60: icmp_seq=418 ttl=64 time=0.648 ms

I would appreciate some further advice on this. In particular, I do not know how to verify if it’s a router or my pi problem. I tried pinging the other pi via wireless network and apart from consistently higher latencies (expected!), I am not getting host unreachable problem. Therefore, I am leaning towards pi problems. Is there any further information I can extract from HA logs?

Please let me know.