In VCF Operations 8.18.5 a cloud proxy HA collector group loses the routing table during a reboot causing collection of metrics from Telegraf Agents associated with the collector group to fail.
VCF Operations 8.18.5
The cloud proxies lose their routing table during a reboot.
The issue will be resolved in VCF Operations 8.18.6
A workaround is to ssh to the affected cloud proxy and run the following as root to rebuild the routing rules.
/ucp/ucp-config-scripts/ucp-firstboot.sh