/usr/lib/python3.6/site-packages/paramiko/client.py:779: UserWarning: Unknown ssh-ed25519 host key for 192.168.122.202: b'35d60d2783116041637172b99354acae'
  key.get_name(), hostname, hexlify(key.get_fingerprint()),
2018-08-13 09:58:29,740 main.py 128 INFO   doctor test starting.......
2018-08-13 09:58:29,741 apex.py 36 INFO   Setup Apex installer start......
2018-08-13 09:58:29,741 base.py 91 INFO   Get SSH keys from apex installer......
2018-08-13 09:58:30,084 apex.py 53 INFO   Get controller and compute ips from Apex installer......
2018-08-13 09:58:30,084 base.py 109 INFO   Run command=source stackrc; nova list | grep ' overcloud-' in apex installer......
2018-08-13 09:58:33,801 base.py 118 INFO   Output=['| a386cbd4-c231-4da6-9a8e-cda21a37d426 | overcloud-controller-0  | ACTIVE | -          | Running     | ctlplane=192.30.9.10 |', '| 64380616-0efc-4352-a208-e97e3bdff81e | overcloud-novacompute-0 | ACTIVE | -          | Running     | ctlplane=192.30.9.7  |', '| 30cfc374-3af1-43f3-a116-a9779ea166a7 | overcloud-novacompute-1 | ACTIVE | -          | Running     | ctlplane=192.30.9.3  |'] command=source stackrc; nova list | grep ' overcloud-' in apex installer
2018-08-13 09:58:33,802 apex.py 64 INFO   controller_ips:['192.30.9.10']
2018-08-13 09:58:33,802 apex.py 65 INFO   compute_ips:['192.30.9.7', '192.30.9.3']
2018-08-13 09:58:34,494 apex.py 93 INFO   Set apply patches start......
/usr/lib/python3.6/site-packages/paramiko/client.py:779: UserWarning: Unknown ssh-ed25519 host key for 192.30.9.10: b'dad52ea78156a542ec6b3a693739b2a2'
  key.get_name(), hostname, hexlify(key.get_fingerprint()),
2018-08-13 09:58:35,684 main.py 145 ERROR  doctor test failed, Exception=Unable to run 
command: sudo python set_config.py
ret: 1
2018-08-13 09:58:35,684 apex.py 124 INFO   restore apply patches start......
Traceback (most recent call last):
  File "/src/doctor-tests/doctor_tests/main.py", line 131, in run
    self.setup()
  File "/src/doctor-tests/doctor_tests/main.py", line 45, in setup
    self.installer.setup()
  File "/src/doctor-tests/doctor_tests/installer/apex.py", line 40, in setup
    self.set_apply_patches()
  File "/src/doctor-tests/doctor_tests/installer/apex.py", line 107, in set_apply_patches
    self.cm_set_script)
  File "/src/doctor-tests/doctor_tests/installer/base.py", line 128, in _run_apply_patches
    ret, output = client.ssh(cmd)
  File "/src/doctor-tests/doctor_tests/common/utils.py", line 84, in ssh
    % (command, ret))
Exception: Unable to run 
command: sudo python set_config.py
ret: 1

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/src/doctor-tests/doctor_tests/main.py", line 146, in run
    sys.exit(1)
SystemExit: 1

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/bin/doctor-test", line 10, in <module>
    sys.exit(main())
  File "/src/doctor-tests/doctor_tests/main.py", line 170, in main
    doctor.run()
  File "/src/doctor-tests/doctor_tests/main.py", line 148, in run
    self.cleanup()
  File "/src/doctor-tests/doctor_tests/main.py", line 151, in cleanup
    self.installer.cleanup()
  File "/src/doctor-tests/doctor_tests/installer/apex.py", line 44, in cleanup
    self.restore_apply_patches()
  File "/src/doctor-tests/doctor_tests/installer/apex.py", line 135, in restore_apply_patches
    self.cm_restore_script)
  File "/src/doctor-tests/doctor_tests/installer/base.py", line 133, in _run_apply_patches
    client.ssh(restart_cmd)
  File "/src/doctor-tests/doctor_tests/common/utils.py", line 84, in ssh
    % (command, ret))
Exception: Unable to run 
command: sudo systemctl restart openstack-ceilometer-notification.service
ret: 5