I'm using train and while trying to use an equallogic driver, I get this error:
2021-11-06 12:35:58.705 36 INFO cinder.volume.manager [req-27959ec9-e882-4e32-95aa-411300371296 - - - - -] Starting volume driver PSSeriesISCSIDriver (1.4.6)
2021-11-06 12:35:58.708 36 INFO cinder.volume.drivers.dell_emc.ps [req-27959ec9-e882-4e32-95aa-411300371296 - - - - -] PS-driver: executing "cli-settings confirmation off".
2021-11-06 12:35:58.710 36 DEBUG paramiko.transport [-] [chan 18] Max packet in: 32768 bytes _log /usr/lib/python3.6/site-packages/paramiko/channel.py:1212
2021-11-06 12:35:58.712 36 DEBUG paramiko.transport [-] [chan 18] Max packet out: 32768 bytes _log /usr/lib/python3.6/site-packages/paramiko/channel.py:1212
2021-11-06 12:35:58.712 36 DEBUG paramiko.transport [-] Secsh channel 18 opened. _log /usr/lib/python3.6/site-packages/paramiko/transport.py:1819
2021-11-06 12:35:58.714 36 DEBUG paramiko.transport [-] [chan 18] Sesch channel 18 request ok _log /usr/lib/python3.6/site-packages/paramiko/channel.py:1212
2021-11-06 12:35:58.715 36 DEBUG cinder.volume.drivers.dell_emc.ps [-] Reading CLI MOTD _ssh_execute /usr/lib/python3.6/site-packages/cinder/volume/drivers/dell_emc/ps.py:195
2021-11-06 12:35:58.844 36 DEBUG cinder.volume.drivers.dell_emc.ps [-] Timed out executing command: 'cli-settings confirmation off' _ssh_execute /usr/lib/python3.6/site-packages/cinder/volume/drivers/dell_emc/ps.py:218
2021-11-06 12:35:58.844 36 DEBUG paramiko.transport [-] [chan 18] EOF sent (18) _log /usr/lib/python3.6/site-packages/paramiko/channel.py:1212
2021-11-06 12:35:58.847 36 ERROR cinder.volume.drivers.dell_emc.ps [req-27959ec9-e882-4e32-95aa-411300371296 - - - - -] Error running command.: TypeError: must be str, not bytes
2021-11-06 12:35:58.847 36 ERROR cinder.volume.drivers.dell_emc.ps Traceback (most recent call last):
2021-11-06 12:35:58.847 36 ERROR cinder.volume.drivers.dell_emc.ps File "/usr/lib/python3.6/site-packages/cinder/volume/drivers/dell_emc/ps.py", line 248, in _run_ssh
2021-11-06 12:35:58.847 36 ERROR cinder.volume.drivers.dell_emc.ps timeout=self.configuration.ssh_conn_timeout)
2021-11-06 12:35:58.847 36 ERROR cinder.volume.drivers.dell_emc.ps File "/usr/lib/python3.6/site-packages/cinder/volume/drivers/dell_emc/ps.py", line 72, in __inner
2021-11-06 12:35:58.847 36 ERROR cinder.volume.drivers.dell_emc.ps res = gt.wait()
2021-11-06 12:35:58.847 36 ERROR cinder.volume.drivers.dell_emc.ps File "/usr/lib/python3.6/site-packages/eventlet/greenthread.py", line 181, in wait
2021-11-06 12:35:58.847 36 ERROR cinder.volume.drivers.dell_emc.ps return self._exit_event.wait()
2021-11-06 12:35:58.847 36 ERROR cinder.volume.drivers.dell_emc.ps File "/usr/lib/python3.6/site-packages/eventlet/event.py", line 125, in wait
2021-11-06 12:35:58.847 36 ERROR cinder.volume.drivers.dell_emc.ps result = hub.switch()
2021-11-06 12:35:58.847 36 ERROR cinder.volume.drivers.dell_emc.ps File "/usr/lib/python3.6/site-packages/eventlet/hubs/hub.py", line 298, in switch
2021-11-06 12:35:58.847 36 ERROR cinder.volume.drivers.dell_emc.ps return self.greenlet.switch()
2021-11-06 12:35:58.847 36 ERROR cinder.volume.drivers.dell_emc.ps File "/usr/lib/python3.6/site-packages/eventlet/greenthread.py", line 221, in main
2021-11-06 12:35:58.847 36 ERROR cinder.volume.drivers.dell_emc.ps result = function(*args, **kwargs)
2021-11-06 12:35:58.847 36 ERROR cinder.volume.drivers.dell_emc.ps File "/usr/lib/python3.6/site-packages/cinder/volume/drivers/dell_emc/ps.py", line 196, in _ssh_execute
2021-11-06 12:35:58.847 36 ERROR cinder.volume.drivers.dell_emc.ps self._get_output(chan)
2021-11-06 12:35:58.847 36 ERROR cinder.volume.drivers.dell_emc.ps File "/usr/lib/python3.6/site-packages/cinder/volume/drivers/dell_emc/ps.py", line 175, in _get_output
2021-11-06 12:35:58.847 36 ERROR cinder.volume.drivers.dell_emc.ps out += ret
2021-11-06 12:35:58.847 36 ERROR cinder.volume.drivers.dell_emc.ps TypeError: must be str, not bytes
2021-11-06 12:35:58.847 36 ERROR cinder.volume.drivers.dell_emc.ps
2021-11-06 12:35:58.875 36 DEBUG paramiko.transport [-] [chan 18] EOF received (18) _log /usr/lib/python3.6/site-packages/paramiko/channel.py:1212