Description of problem:

In a 3 node RHHI installation when updating a host the host reboots but then does not get automatically out of local maintenance mode. 

Version-Release number of selected component (if applicable):
4.1.6.2-0.1.el7

How reproducible:


Steps to Reproduce:
1. Install RHHI
2. Update a host. 
3. Watch it reboot
4. Host will be stuck in maintenance mode

Actual results:
host is stuck in maintenance mode after update. 

Expected results:
host should be maintenance mode none

Additional info:


hosted-engine1 is the host which was rebooted.

--== Host 1 status ==--

conf_on_shared_storage             : True
Status up-to-date                  : True
Hostname                           : hosted-engine1.local.redhat-demo.com
Host ID                            : 1
Engine status                      : {"reason": "vm not running on this host", "health": "bad", "vm": "down", "detail": "unknown"}
Score                              : 0
stopped                            : False
Local maintenance                  : True
crc32                              : d53892b8
local_conf_timestamp               : 372
Host timestamp                     : 369
Extra metadata (valid at timestamp):
	metadata_parse_version=1
	metadata_feature_version=1
	timestamp=369 (Wed Oct 11 23:00:31 2017)
	host-id=1
	score=0
	vm_conf_refresh_time=372 (Wed Oct 11 23:00:34 2017)
	conf_on_shared_storage=True
	maintenance=True
	state=LocalMaintenance
	stopped=False


--== Host 2 status ==--

conf_on_shared_storage             : True
Status up-to-date                  : True
Hostname                           : hosted-engine2.local.redhat-demo.com
Host ID                            : 2
Engine status                      : {"health": "good", "vm": "up", "detail": "up"}
Score                              : 3400
stopped                            : False
Local maintenance                  : False
crc32                              : d49fdd32
local_conf_timestamp               : 24425
Host timestamp                     : 24422
Extra metadata (valid at timestamp):
	metadata_parse_version=1
	metadata_feature_version=1
	timestamp=24422 (Wed Oct 11 23:00:43 2017)
	host-id=2
	score=3400
	vm_conf_refresh_time=24425 (Wed Oct 11 23:00:46 2017)
	conf_on_shared_storage=True
	maintenance=False
	state=EngineUp
	stopped=False


--== Host 3 status ==--

conf_on_shared_storage             : True
Status up-to-date                  : True
Hostname                           : hosted-engine3.local.redhat-demo.com
Host ID                            : 3
Engine status                      : {"reason": "vm not running on this host", "health": "bad", "vm": "down", "detail": "unknown"}
Score                              : 3400
stopped                            : False
Local maintenance                  : False
crc32                              : 9b2026d3
local_conf_timestamp               : 24412
Host timestamp                     : 24409
Extra metadata (valid at timestamp):
	metadata_parse_version=1
	metadata_feature_version=1
	timestamp=24409 (Wed Oct 11 23:00:33 2017)
	host-id=3
	score=3400
	vm_conf_refresh_time=24412 (Wed Oct 11 23:00:36 2017)
	conf_on_shared_storage=True
	maintenance=False
	state=EngineDown
	stopped=False