Further infos:

- ovirt-hosted-engine-ha package version

[root@ractor ~]# rpm -q ovirt-hosted-engine-ha
ovirt-hosted-engine-ha-2.1.0.5-1.el7.centos.noarch
[root@ractor ~]#


- serial console works

[root@ractor ~]# hosted-engine --console
The engine VM is running on this host
Connected to domain HostedEngine
Escape character is ^]

CentOS Linux 7 (Core)
Kernel 3.10.0-514.16.1.el7.x86_64 on an x86_64

ractorshe login: root
Password:
Last login: Thu Apr 20 19:14:27 on pts/0
[root@ractorshe ~]#

- Current runtime vm.conf for hosted engine vm

[root@ractor ~]# cat /run/ovirt-hosted-engine-ha/vm.conf
cpuType=Nehalem
emulatedMachine=pc-i440fx-rhel7.3.0
vmId=7b0ff898-0a9e-4b97-8292-1d9f2a0a6683
smp=4
memSize=16384
maxVCpus=16
spiceSecureChannels=smain,sdisplay,sinputs,scursor,splayback,srecord,ssmartcard,susbredir
vmName=HostedEngine
display=qxl
devices={index:0,iface:virtio,format:raw,bootOrder:1,address:{slot:0x06,bus:0x00,domain:0x0000,type:pci,function:0x0},volumeID:43ee87b9-4293-4d43-beab-582f500667a7,imageID:d6287dfb-27af-461b-ab79-4eb3a45d8c8a,readonly:false,domainID:2025c2ea-6205-4bc1-b29d-745b47f8f806,deviceId:d6287dfb-27af-461b-ab79-4eb3a45d8c8a,poolID:00000000-0000-0000-0000-000000000000,device:disk,shared:exclusive,propagateErrors:off,type:disk}
devices={nicModel:pv,macAddr:00:16:3e:3a:ee:a5,linkActive:true,network:ovirtmgmt,deviceId:4bbb90e6-4f8e-42e0-91ea-d894125ff4a8,address:{slot:0x03,bus:0x00,domain:0x0000,type:pci,function:0x0},device:bridge,type:interface}
devices={index:2,iface:ide,shared:false,readonly:true,deviceId:8c3179ac-b322-4f5c-9449-c52e3665e0ae,address:{controller:0,target:0,unit:0,bus:1,type:drive},device:cdrom,path:,type:disk}
devices={device:usb,type:controller,deviceId:ee985889-6878-463a-a415-9b50a4a810b3,address:{slot:0x01,bus:0x00,domain:0x0000,type:pci,function:0x2}}
devices={device:virtio-serial,type:controller,deviceId:d99705cd-0ebf-40f0-950b-575ab4e6d934,address:{slot:0x05,bus:0x00,domain:0x0000,type:pci,function:0x0}}
devices={device:ide,type:controller,deviceId:ef31f1a2-746a-4188-ae45-ef157d7b5598,address:{slot:0x01,bus:0x00,domain:0x0000,type:pci,function:0x1}}
devices={device:scsi,model:virtio-scsi,type:controller,deviceId:f41baf47-51f8-42e9-a290-70da06191991,address:{slot:0x04,bus:0x00,domain:0x0000,type:pci,function:0x0}}
devices={alias:rng0,specParams:{source:urandom},deviceId:4c7f0e81-c3e8-498f-a5a2-b8c1543e94b4,address:{slot:0x02,bus:0x00,domain:0x0000,type:pci,function:0x0},device:virtio,model:virtio,type:rng}
devices={device:console,type:console}
[root@ractor ~]#