fixes #4676 - numbered collections in output

Adds numbers to collection items to make the output more readable.

Before:
```
Managed Network Interfaces:
  Id:   2
  Name: interface_1
  IP:   1.2.3.86
  MAC:  aa:bb:cc:dd:ee:33
  Id:   3
  Name: interface_2
  IP:   1.2.3.84
  MAC:  aa:bb:cc:dd:ee:11
```
After:
```
Managed Network Interfaces:
 1) Id:   2
    Name: interface_1
    IP:   1.2.3.86
    MAC:  aa:bb:cc:dd:ee:33
 2) Id:   3
    Name: interface_2
    IP:   1.2.3.84
    MAC:  aa:bb:cc:dd:ee:11
```