In this plugin we disable all the VIPs auto-allocations including
'vrouter' ones. So there's actualy no possibility keep them and
thus additional configuration elements are not needed.
Change-Id: Ib7dffe65f957822c39c1817de866213d5ebd226d
Use proper hash key to determine whether we should disable addition
of racord into /etc/hosts file.
Change-Id: Id908889718c424ebc65be541ffe9d27f6c4cb8c6