I am experiencing packet drops with the latest rolling release on xcp-ng v8.x. It seems that a user on the forum sees the same issues. I can also reproduce it with the same steps mentioned by the forum user.
I can provide exports of VMs etc for debugging reasons, if needed.
Version: VyOS 1.3-rolling-202005180117
Release Train: equuleus
Built by: firstname.lastname@example.org
Built on: Mon 18 May 2020 01:17 UTC
Build UUID: edd05fbb-0d2c-451f-81f2-4ebc8a2e8418
Build Commit ID: 9ea3537531daf0
Boot via: installed image
System type: Xen HVM guest
Hardware vendor: Xen
Hardware model: HVM domU
Hardware S/N: b2b1408a-e700-8bc7-666b-addca725f3e3
Hardware UUID: b2b1408a-e700-8bc7-666b-addca725f3e3