Add dhcp-all-interfaces to get IP to NIC other than eth0
Add dhcp-all-interfaces to get IP to NIC other than eth0

Bare metal server with BMC typically has multiple NICs.
User image needs dhcp-all-interfaces element to get IP to NIC other
than eth0 through DHCP.
Having booted the user image by "nova boot", user cannot login after
without dhcp-all-interfaces element.

Change-Id: Iac806397e39f489a3ccdc9c087ad120ac79f2144

hpproliant/ironic,openstack/ironic,SauloAislan/ironic,bacaldwell/ironic,ionutbalutoiu/ironic,NaohiroTamura/ironic,NaohiroTamura/ironic,pshchelo/ironic,SauloAislan/ironic,openstack/ironic,supermari0/ironic,dims/ironic,Tan0/ironic,bacaldwell/ironic,rdo-management/ironic,ionutbalutoiu/ironic,dims/ironic,naototty/vagrant-lxc-ironic,naototty/vagrant-lxc-ironic,devananda/ironic,pshchelo/ironic,naterh/ironic,redhat-openstack/ironic