Default network always re-created on restart

[0x1a8510f2]

Describe the bug
When the Drago service is restarted, the default network is always re-created even when previously deleted.

To Reproduce
Steps to reproduce the behavior:

1. Delete default network
2. Restart Drago service
3. Notice default network is back

Expected behavior
The default network should not be re-created if other networks exist/are available.