We would like to increase the observability of the openstack virtual network.
Some ideas:
- see if openvswitch exports prometheus metrics we can scrape
- network crosscheck daemon reporting via prometheus
- running on every cloudvirt, ping other cloudvirts on the virtual network
- DNS recursive request error monitoring, report via prometheus
- from a virtual machine on every cloudvirt
See also T380892: [infra,k8s,o11y] introduce additional observability for calico and general networking