```ruby
class ManageIQ::Providers::Openstack::NetworkManager::SecurityGroup < ::SecurityGroup
end
```

Add missing sec groups -> vms relationship
user
```ruby
class ManageIQ::Providers::Openstack::NetworkManager::SecurityGroup < ::SecurityGroup
  has_many :vms, :through => :network_ports, :source => :device, :source_type => 'VmOrTemplate'
end
```
assistant