Description of problem:
After delete hypervisors in satellite5.X webUI, virt-who can't send host/guest mapping info to server

Version-Release number of selected component (if applicable):
virt-who-0.16-8.el6.noarch
subscription-manager-1.16.8-8.el6.x86_64
python-rhsm-1.16.6-1.el6.x86_64

How reproducible:
Always

Steps to Reproduce:
1. Configure virt-who run at esx mode and send mapping info to satellite5.7
[root@hp-xw9400-01 ~]# cat /etc/virt-who.d/virt 
[test-esx1]
type=esx
server=10.73.2.95
username=Administrator
#encrypted_password=07928b0a0b0caa7c6e3b5915466210bd
password=Welcome1!
owner=ACME_Corporation
env=Library
sat_server=ibm-x3650-05.ovirt.rhts.eng.bos.redhat.com
sat_username=admin
sat_password=redhat
2. Restart virt-who service and check virt-who's log.virt-who send host/guest mapping info to satellite5.X
3. Go to satellite WebUI-->System tab, delete hypervisor in webUI
4. Restart virt-who service again and check virt-who's log.
...................................................
...................................................
2016-04-08 22:41:25,589 [virtwho.main ERROR] MainProcess(15245):MainThread @satellite.py:hypervisorCheckIn:173 - Unable to send host/guest association to the satellite:
Traceback (most recent call last):
  File "/usr/share/virt-who/manager/satellite/satellite.py", line 171, in hypervisorCheckIn
    self.server.registration.virt_notify(hypervisor_systemid["system_id"], plan)
  File "/usr/lib64/python2.6/xmlrpclib.py", line 1199, in __call__
    return self.__send(self.__name, args)
  File "/usr/lib64/python2.6/xmlrpclib.py", line 1489, in __request
    verbose=self.__verbose
  File "/usr/lib64/python2.6/xmlrpclib.py", line 1253, in request
    return self._parse_response(h.getfile(), sock)
  File "/usr/lib64/python2.6/xmlrpclib.py", line 1392, in _parse_response
    return u.close()
  File "/usr/lib64/python2.6/xmlrpclib.py", line 838, in close
    raise Fault(**self._stack[0])
Fault: <Fault -9: '\nError Message:\n    Please run rhn_register as root on this client\nError Class Code: 9\nError Class Info: Invalid System Credentials.\nExplanation: \n     An error has occurred while processing your request. If this problem\n     persists please consult the Red Hat Customer Portal Knowledge Base\n     landing page on common registration Error Class Codes at\n     https://access.redhat.com/solutions/17036 for a possible resolution.\n     If you choose to open a support case in the Red Hat Customer Portal,\n     please be sure to include details of what you were trying to do when\n     this error occurred and specifics on how to reproduce this problem.\n'>
2016-04-08 22:41:25,590 [virtwho.main ERROR] MainProcess(15245):MainThread @virtwho.py:send:203 - Unable to send data: Unable to send host/guest association to the satellite: <Fault -9: '\nError Message:\n    Please run rhn_register as root on this client\nError Class Code: 9\nError Class Info: Invalid System Credentials.\nExplanation: \n     An error has occurred while processing your request. If this problem\n     persists please consult the Red Hat Customer Portal Knowledge Base\n     landing page on common registration Error Class Codes at\n     https://access.redhat.com/solutions/17036 for a possible resolution.\n     If you choose to open a support case in the Red Hat Customer Portal,\n     please be sure to include details of what you were trying to do when\n     this error occurred and specifics on how to reproduce this problem.\n'>
2016-04-08 22:41:25,591 [virtwho.main DEBUG] MainProcess(15245):MainThread @virtwho.py:send_report:168 - Report from "test-esx1" failed to sent
5, Go to /var/lib/virt-who, check content in this directory.
[root@cisco-e160dp-01 virt-who]# pwd
/var/lib/virt-who
[root@cisco-e160dp-01 virt-who]# ll
total 16
-rw-rw-rw-. 1 root root 1671 Apr 11 08:38 hypervisor-systemid-3e504d56-3982-037b-f3e6-669289892fa1
-rw-rw-rw-. 1 root root 1673 Apr 11 08:36 hypervisor-systemid-54776896-82e3-4a2e-b9fa-62425b5457a6
-rw-rw-rw-. 1 root root 1671 Apr 11 08:38 hypervisor-systemid-7a384d56-085c-0e32-c7ad-f7181c3f6ddf
-rw-rw-rw-. 1 root root 1673 Apr 11 08:36 hypervisor-systemid-df53a779-d8dd-4418-9af2-7525b58690b5

Actual results:
It will show some error info in virt-who's log, virt-who can't send host/guest mapping info to satellite5.X

Expected results:
It shouldn't show any error info in virt-who's log, virt-who still can send mapping info to satellite5.X after delete hypervisor in satellite5.X webUI.


Additional info: