Changing organization or location on the new hosts page clears interfaces that have been set up previously. This is very annoying especially when the user is returned back to the form after validation failure caused by missing org.

On the new host page:
- add some interfaces, other fields can remain blank
- save > validation fails
check the interfaces tab - your interfaces sould be there
- change host's organization or location
- check the interfaces tab again - your chages are gone, only blank primary interface is present

The problem is related to this patch:
https://github.com/theforeman/foreman/pull/1955