Unable to see the status of VPS in SolusIO > Virtual Servers - it is always Unknown.
On the affected Compute Resource the following is found in
CONFIG_TEXT: (*queue).connect() connection to rabbitmq failed. Retrying in 1 sec: dial tcp: lookup example.com on 127.0.0.53:53: server misbehaving
Incorrect nameservers in
Access the affected Compute Resource over SSH.
Replace current nameservers with default Google nameserver:
# echo "nameserver 184.108.40.206" > /etc/resolv.conf