/usr/lib/python3.6/site-packages/paramiko/client.py:779: UserWarning: Unknown ssh-ed25519 host key for 192.168.122.225: b'37971eab75405ba77ce3aa683abc667b'
  key.get_name(), hostname, hexlify(key.get_fingerprint()),
2018-08-20 20:29:09,237 main.py 128 INFO   doctor test starting.......
2018-08-20 20:29:09,237 apex.py 36 INFO   Setup Apex installer start......
2018-08-20 20:29:09,237 base.py 91 INFO   Get SSH keys from apex installer......
2018-08-20 20:29:09,517 apex.py 53 INFO   Get controller and compute ips from Apex installer......
2018-08-20 20:29:09,517 base.py 109 INFO   Run command=source stackrc; nova list | grep ' overcloud-' in apex installer......
2018-08-20 20:29:13,591 base.py 118 INFO   Output=['| 5d00553d-9f02-4d71-9d1d-537f004445c0 | overcloud-controller-0  | ACTIVE | -          | Running     | ctlplane=192.30.9.3 |', '| 9c0feffe-3154-4031-9df8-3057bbbdee06 | overcloud-controller-1  | ACTIVE | -          | Running     | ctlplane=192.30.9.9 |', '| 6ed0cbf9-7670-4dd5-8905-6c7f5e048717 | overcloud-controller-2  | ACTIVE | -          | Running     | ctlplane=192.30.9.8 |', '| 798c80e1-93e3-4412-af63-f66b0073f118 | overcloud-novacompute-0 | ACTIVE | -          | Running     | ctlplane=192.30.9.7 |', '| 64b3451c-c2bf-4513-b35d-c34d3892b8d5 | overcloud-novacompute-1 | ACTIVE | -          | Running     | ctlplane=192.30.9.5 |'] command=source stackrc; nova list | grep ' overcloud-' in apex installer
2018-08-20 20:29:13,591 apex.py 64 INFO   controller_ips:['192.30.9.3', '192.30.9.9', '192.30.9.8']
2018-08-20 20:29:13,592 apex.py 65 INFO   compute_ips:['192.30.9.7', '192.30.9.5']
2018-08-20 20:29:14,359 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 192.30.9.3: b'2f80ac564d5335749ab6600747c4754d'
  key.get_name(), hostname, hexlify(key.get_fingerprint()),
2018-08-20 20:29:15,275 main.py 145 ERROR  doctor test failed, Exception=Unable to run 
command: sudo python set_config.py
ret: 1
2018-08-20 20:29:15,276 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