/usr/lib/python3.6/site-packages/paramiko/client.py:779: UserWarning: Unknown ssh-ed25519 host key for 192.168.122.88: b'd2bd39bf39be35fadcc4397a925d4bfa'
  key.get_name(), hostname, hexlify(key.get_fingerprint()),
2018-10-19 19:53:57,531 main.py 128 INFO   doctor test starting.......
2018-10-19 19:53:57,532 apex.py 39 INFO   Setup Apex installer start......
2018-10-19 19:53:57,532 base.py 91 INFO   Get SSH keys from apex installer......
2018-10-19 19:53:57,795 apex.py 56 INFO   Get controller and compute ips from Apex installer......
2018-10-19 19:53:57,796 base.py 109 INFO   Run command=source stackrc; nova list | grep ' overcloud-' in apex installer......
2018-10-19 19:54:04,376 base.py 118 INFO   Output=['| 7c034291-0c84-413b-a971-194b2374c90d | overcloud-controller-0  | ACTIVE | -          | Running     | ctlplane=192.30.9.5 |', '| afb05077-7af3-477d-92fd-d23bba957ffe | overcloud-novacompute-0 | ACTIVE | -          | Running     | ctlplane=192.30.9.9 |', '| 934510c1-218c-4f3a-a4fc-04f16ef7d838 | overcloud-novacompute-1 | ACTIVE | -          | Running     | ctlplane=192.30.9.4 |'] command=source stackrc; nova list | grep ' overcloud-' in apex installer
2018-10-19 19:54:04,377 apex.py 67 INFO   controller_ips:['192.30.9.5']
2018-10-19 19:54:04,377 apex.py 68 INFO   compute_ips:['192.30.9.9', '192.30.9.4']
2018-10-19 19:54:05,026 apex.py 96 INFO   Set apply patches start......
/usr/lib/python3.6/site-packages/paramiko/client.py:779: UserWarning: Unknown ssh-ed25519 host key for 192.30.9.5: b'9e80a12965ec57d925e277a93e217f22'
  key.get_name(), hostname, hexlify(key.get_fingerprint()),
2018-10-19 19:54:05,974 main.py 145 ERROR  doctor test failed, Exception=Unable to run 
command: sudo python3 set_config.py
ret: 1
2018-10-19 19:54:05,975 apex.py 133 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 43, in setup
    self.set_apply_patches()
  File "/src/doctor-tests/doctor_tests/installer/apex.py", line 116, in set_apply_patches
    set_scripts)
  File "/src/doctor-tests/doctor_tests/installer/base.py", line 130, 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 python3 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 47, in cleanup
    self.restore_apply_patches()
  File "/src/doctor-tests/doctor_tests/installer/apex.py", line 150, in restore_apply_patches
    restore_scripts)
  File "/src/doctor-tests/doctor_tests/installer/base.py", line 130, 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 python3 restore_config.py
ret: 1