/usr/lib/python3.6/site-packages/paramiko/client.py:779: UserWarning: Unknown ssh-ed25519 host key for 192.168.122.107: b'3af1119c87be32c3583bd795b8755618'
  key.get_name(), hostname, hexlify(key.get_fingerprint()),
2018-10-24 15:25:56,905 main.py 128 INFO   doctor test starting.......
2018-10-24 15:25:56,905 apex.py 39 INFO   Setup Apex installer start......
2018-10-24 15:25:56,906 base.py 91 INFO   Get SSH keys from apex installer......
2018-10-24 15:25:57,302 apex.py 56 INFO   Get controller and compute ips from Apex installer......
2018-10-24 15:25:57,302 base.py 109 INFO   Run command=source stackrc; nova list | grep ' overcloud-' in apex installer......
2018-10-24 15:26:03,434 base.py 118 INFO   Output=['| e8732b15-66b7-45d5-b3f2-e25d1b8b5188 | overcloud-controller-0  | ACTIVE | -          | Running     | ctlplane=192.30.9.9 |', '| fc461ea5-6b97-43db-bc24-0cae424b19fb | overcloud-novacompute-0 | ACTIVE | -          | Running     | ctlplane=192.30.9.3 |', '| c35387ec-f567-4341-a5f6-f582ffc9b5ef | overcloud-novacompute-1 | ACTIVE | -          | Running     | ctlplane=192.30.9.8 |'] command=source stackrc; nova list | grep ' overcloud-' in apex installer
2018-10-24 15:26:03,434 apex.py 67 INFO   controller_ips:['192.30.9.9']
2018-10-24 15:26:03,434 apex.py 68 INFO   compute_ips:['192.30.9.3', '192.30.9.8']
2018-10-24 15:26:04,090 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 192.30.9.9: b'aae4133622fe006ff70c21b56d5fc07f'
  key.get_name(), hostname, hexlify(key.get_fingerprint()),
2018-10-24 15:26:05,051 main.py 145 ERROR  doctor test failed, Exception=Unable to run 
command: sudo python3 set_config.py
ret: 1
2018-10-24 15:26:05,052 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