I solved this problem by:
juju ssh nova-compute/0 (one of my bad nodes) sudo systemctl enable qemu-kvm.service sudo service qemu-kvm restart sudo service nova-compute restart
I solved this problem by:
juju ssh nova-compute/0 (one of my bad nodes)
sudo systemctl enable qemu-kvm.service
sudo service qemu-kvm restart
sudo service nova-compute restart