Merge pull request #16 from GregSutcliffe/primarynic

TFTP WIP
Fix all DHCP tests
Merge pull request #17 from GregSutcliffe/primarynic

Fix migration to access host attributes directly, since methods are dele...
Fixing DNS tests and few others
Merge branch 'fix/7456-extract-host-interface' of github.com:ares/foreman into fix/7456-extract-host-interface

* 'fix/7456-extract-host-interface' of github.com:ares/foreman:
  Fix migration to access host attributes directly, since methods are delegated to the primary_nic
WIP test fixes