Hammer CLI

Cloned from https://bugzilla.redhat.com/show_bug.cgi?id=1213437
Description of problem:
I am trying to get information about subnet ipam type, but cannot find a way to do that. It is not a problem to set that information, but not to get.

Version-Release number of selected component (if applicable):
Satellite 6.1.0 Beta

How reproducible:
Always

Steps to Reproduce:
1. To set:
hammer subnet create --name "a0" --network "127.0.0.1" --mask "255.0.0.0" --ipam "Internal DB"
2. To get:
hammer subnet info --name "a0"
3. There are no information about "IPAM" in the output

Actual results:
Id: 8
Name: a0
Network: 127.0.0.1
Mask: 255.0.0.0
Priority:
DNS:
Primary DNS:
Secondary DNS:
TFTP:
DHCP:
VLAN ID:
Gateway:
From:
To:
Domains:

Expected results:
Id: 8
Name: a0
Network: 127.0.0.1
Mask: 255.0.0.0
Priority:
DNS:
Primary DNS:
Secondary DNS:
IPAM:
TFTP:
DHCP:
VLAN ID:
Gateway:
From:
To:
Domains:

Additional info: